What percentage of the data values are less than or equal to 45?

Answers

Answer 1

To determine the percentage of data values that are less than or equal to 45, we would need the actual dataset or information about the distribution of the data.

Without this information, it is not possible to provide an accurate percentage.In order to calculate the percentage, you would need to have a set of data points and then count the number of data values that are less than or equal to 45. Dividing this count by the total number of data points and multiplying by 100 would give you the percentage.For example, if you have a dataset with 1000 data points and you find that 200 of them are less than or equal to 45, then the percentage would be (200 / 1000) * 100 = 20%.Please provide more specific information or the dataset itself if you would like a more accurate calculation.

learn more about percentage here :

https://brainly.com/question/32197511

#SPJ11


Related Questions

Which excerpts from act iii of hamlet show that plot events have resulted in claudius feeling guilty? select 3 options.

Answers

Which excerpts from act iii of hamlet show that plot events have resulted in claudius feeling guilty?

The right answer for the question that is being asked and shown above is that:

"(1) Claudius: Is there not rain enough in the sweet heavens To wash it white as snow?

(2) Claudius: But, O! what form of prayer Can serve my turn? 'Forgive me my foul murder?' "

Learn more about hamlet show here;

https://brainly.com/question/11525740

#SPJ4

Clear Question:

Which excerpts from Act III of Hamlet show that plot events have resulted in Claudius feeling guilty? Check all that apply.

How many ounces of 20% saline solution and 60% saline solution must be mixed together to produce 20 ounces of 50% saline solution? MATRIX

Answers

To produce 20 ounces of a 50% saline solution, you will need to mix 10 ounces of a 20% saline solution with 10 ounces of a 60% saline solution.

Let's assume x ounces of the 20% saline solution and y ounces of the 60% saline solution are needed.

The total volume of the mixture is given as 20 ounces, so we have the equation:

x + y = 20

The concentration of the saline solution is determined by the amount of saline in the mixture. Since we want a 50% saline solution, we have the following equation based on the saline content:

0.20x + 0.60y = 0.50(20)

Simplifying the equations, we have:

x + y = 20 (equation 1)

0.20x + 0.60y = 10 (equation 2)

To solve this system of equations, we can multiply equation 1 by -0.20 and add it to equation 2:

-0.20x - 0.20y = -4

0.20x + 0.60y = 10

0.40y = 6

Dividing both sides by 0.40, we get:

y = 6 / 0.40 = 15

Substituting this value of y back into equation 1, we find:

x + 15 = 20

x = 20 - 15 = 5

Therefore, to produce 20 ounces of a 50% saline solution, you need to mix 5 ounces of a 20% saline solution with 15 ounces of a 60% saline solution.

To create a 50% saline solution with a total volume of 20 ounces, you will need to combine 5 ounces of a 20% saline solution with 15 ounces of a 60% saline solution. This mixture will result in a total of 20 ounces of solution with the desired 50% concentration of saline. The calculation was performed using a system of equations, where one equation represented the total volume and the other equation represented the saline content. By solving the equations simultaneously, we determined the required amounts of each solution.

To know more about total volume , visit;

https://brainly.com/question/25252629
#SPJ11

How many manifestos Does Agile have?.

Answers

Agile has 12 manifestos

What is the agile manifestos

The Agile Manifesto was created in 2001 by a group of software development practitioners who came together to discuss and define a set of guiding principles for more effective and flexible software development processes.

The Agile Manifesto consists of four core values:

Individuals and interactions over processes and tools.Working software over comprehensive documentation.Customer collaboration over contract negotiation.Responding to change over following a plan.

Read more on agile manifestos here https://brainly.com/question/20815902

#SPJ4

A figure is cut perpendicular to its base. The resulting shape is a rectangle. Which three-dimensional figure could be the original figure?

A. Rectangular prism

B. Square pyramid

C. Cone

D. Triangular pyramid

Answers

A rectangular prism could be the original figure that is cut perpendicular to its base resulting in a rectangle. If a rectangular prism is cut parallel to one of its bases, the resulting shape is also a rectangle.

The key feature of a rectangular prism that allows it to be cut perpendicular to its base resulting in a rectangle is the fact that it has two parallel and congruent rectangular bases. When the prism is cut perpendicular to one of these bases, the resulting shape will also be a rectangle, because the cross-section of the prism is still a rectangle.

On the other hand, square pyramids, cones, and triangular pyramids have bases with different shapes. A square pyramid has a square base, a cone has a circular base, and a triangular pyramid has a triangular base. When any of these shapes are cut perpendicular to their respective bases, the resulting cross-section will not be a rectangle. Instead, the shape of the cross-section will depend on the orientation of the cut and the shape of the base. Therefore, none of these three-dimensional figures can be cut perpendicular to their base to result in a rectangle.

Learn more about  rectangular from

https://brainly.com/question/27839142

#SPJ11

Write the exponential function y=450e −0.13t
in the form y=Pa t
. (a) Once you have rewritten the formula, give a accurate to at least four decimal places. a= If t is measured in years, indicate whether the exponential function is growing or decaying and find the annual and continuous growth/decay rates. The rates you determine should be positive in both cases of growth or decay (by choosing decay the negative rate is implied). (b) The annual rate is % per year (round to the nearest 0.01% ). (c) The continuous rate is per year (round to the nearest 0.01% ).

Answers

(a) The exponential function y = 450e^(-0.13t) can be written as y = 450(0.8784)^t, where a = 0.8784. When t is measured in years.

(b) the function is decaying with an annual growth/decay rate of -12.16%

(c) a continuous growth/decay rate of -12.95% per year.

The given exponential function is:

y = 450e^(-0.13t)

The form of exponential function y = Pa^t, where a > 0, is:

y = Pa^t

Taking natural logarithm of both sides, we get:

ln(y) = ln(Pa^t)

Applying the power rule of logarithms, we get:

ln(y) = ln(P) + ln(a^t)

Using the rule of logarithms,

ln(a^t) = t ln(a), we get:

uln(y) = ln(P) + t ln(a)ln(a) = (ln(y) - ln(P)) / t

Multiplying and dividing the numerator by ln(e), we get:

ln(a) = (ln(y) - ln(P)) / (t ln(e))a = e^[(ln(y) - ln(P)) / (t ln(e))]

Substituting the values in the equation, we get:

a = e^[(ln(450) - ln(P)) / (t ln(e))]a = e^[(ln(450) - ln(P)) / t]

Comparing this with the given function, we get:

P = 450, t = 1, and a = e^(-0.13)

Therefore, the exponential function can be written as:

y = 450 (e^(-0.13))^t

Simplifying this expression, we get:

y = 450 (a)^t, where a = e^(-0.13)

The value of a accurate to at least four decimal places is 0.8784.

When t is measured in years, the exponential function y = 450e^(-0.13t) is decaying since the base is less than 1.

Annual growth/decay rate = (a - 1) x 100% = (0.8784 - 1) x 100% = -12.16%

The annual rate rounded to the nearest 0.01% is -12.16%.

Continuous growth/decay rate = ln(a) = ln(0.8784) = -0.1295 per year

The continuous rate rounded to the nearest 0.01% is -12.95%.

Therefore, the exponential function y = 450e^(-0.13t) can be written as y = 450(0.8784)^t, where a = 0.8784. When t is measured in years, the function is decaying with an annual growth/decay rate of -12.16% and a continuous growth/decay rate of -12.95% per year.

Learn more about expontential functions:

https://brainly.com/question/29287497

#SPJ11

What annual percent growth rate is equivalent to a continuous percent growth rate of 5%?
What continuous percent growth rate is equivalent to an annual percent growth rate of 70%?

Answers

Therefore, an annual percent growth rate of 70% is equivalent to a continuous percent growth rate of approximately 0.5306 or 53.06%.

To find the annual percent growth rate equivalent to a continuous percent growth rate of 5%, we can use the formula:

Annual Growth Rate = (e*(Continuous Growth Rate) - 1) * 100

Where e is Euler's number (approximately 2.71828).

Let's substitute the given continuous growth rate of 5% into the formula:

Annual Growth Rate = (e*(0.05) - 1) * 100

Calculating this expression, we find:

Annual Growth Rate ≈ 5.1271%

Therefore, a continuous percent growth rate of 5% is equivalent to an annual percent growth rate of approximately 5.1271%.

Now let's find the continuous percent growth rate equivalent to an annual percent growth rate of 70%.

We can use the formula:

Continuous Growth Rate = ln(1 + Annual Growth Rate/100)

Where ln denotes the natural logarithm.

Substituting the given annual growth rate of 70% into the formula:

Continuous Growth Rate = ln(1 + 70/100)

Calculating this expression, we find:

Continuous Growth Rate ≈ 0.5306

To know more about percent growth,

https://brainly.com/question/28478647

#SPJ11

which of the following could best be described as threatening? group of answer choices a soaring bird a hungry kitten a shivering mouse a hissing rattlesnake

Answers

What could best be described as threatening according to "The Last Dog" is 'a hissing rattlesnake'.

The correct answer choice is option D.

Which of the following could best be described as threatening?

At the beginning of "The last dog", Brock was at the gates of a sealed dome. He was nervous about going outside the dome because he had heard that people who leave never return.

Brock found a puppy and takes the puppy named Brog inside the dome. There were scientists inside the dome who wanted to experiment on Brog. But, the scientist could not experiment on Brock and Brog because they thought they had dangerous diseases.

Hence, they allowed them to leave the dome.

Complete question:

Which of the following could best be described as threatening according to "The Last Dog"?

Read more on animals:

https://brainly.com/question/25897306

#SPJ4

Let R be the region in the first quadrant bounded by the x-axis and the graphs of y In x and y-5-x, as shown in the figure above. (a) Find the area of R.

Answers

The area under region R is 2.986.

Given,

y = lnx  and  y = 5 - x

Here,

Firstly calculate the intersection points of the curves,

lnx = 5 - x

Combining like terms,

lnx + x  = 5

x = 3.693

Now calculate the area,

[tex]A = \int_1^{3.693} \ln x \,dx + \int_{3.693}^5 5 - x \,dx\\\Rightarrow A = [x\ln x-x]_1^{3.693} + \left[ 5x - \frac{x^2}{2}\right ]_{3.693}^5\\\Rightarrow A =2.132 +0.854 = 2.986[/tex]

Thus the area of region R is 2.986 .

Know more about area under curve,

https://brainly.com/question/15122151

#SPJ4

Image of the region is attached below.

Let \( a \) and \( b \) be elements of a group \( \). Show that \( a b=b a \) if and only if \( a b a^{-1}=b \).

Answers

We have shown both directions: if \(ab = ba\), then \(aba^{-1} = b\) and if \(aba^{-1} = b\), then \(ab = ba\). This proves the equivalence between the two statements.

To prove the equivalence \(ab = ba\) if and only if \(aba^{-1} = b\) for elements \(a\) and \(b\) in a group \(G\), we need to show both directions:

1. If \(ab = ba\), then \(aba^{-1} = b\):

Assuming \(ab = ba\), we can multiply both sides by \(a^{-1}\) from the left, resulting in \(a^{-1}(ab) = a^{-1}(ba)\). By associativity, the left-hand side simplifies to \((a^{-1}a)b\) which gives \(eb = b\), where \(e\) is the identity element of the group. Then, we can multiply both sides by \(b^{-1}\) from the right, yielding \(e = b^{-1}b\). Since the product of an element with its inverse gives the identity element, we have \(e = e\) which is true.

2. If \(aba^{-1} = b\), then \(ab = ba\):

Assuming \(aba^{-1} = b\), we can multiply both sides by \(a\) from the right, resulting in \((aba^{-1})a = ba\). By associativity, the left-hand side simplifies to \(ab(aa^{-1}) = abe\), which gives \(ab = ba\).

Therefore, we have shown both directions: if \(ab = ba\), then \(aba^{-1} = b\) and if \(aba^{-1} = b\), then \(ab = ba\). This proves the equivalence between the two statements.

Learn more about equivalence here:

https://brainly.com/question/25197597

#SPJ11

A driver is monitoring his car's gasoline consumption for 3 weeks. If the car consumes 1(5)/(6) gallons the first week, 4(2)/(3) gallons the secono week, and 5(7)/(8) gallons the third week, what is the average weekly gasoline consumption? Write the solution as a mixed number or a fraction in lowest

Answers

To find the average weekly gasoline consumption, we need to calculate the total gasoline consumption over the three weeks and then divide it by the number of weeks.

The total gasoline consumption is given by the sum of the consumption for each week:

1(5)/(6) + 4(2)/(3) + 5(7)/(8)

To add these fractions, we need to find a common denominator. The least common multiple of 6, 3, and 8 is 24.

Converting the fractions to have a denominator of 24:

1(5)/(6) = 4/24 + 5/(6/6) = 4/24 + 20/24 = 24/24 = 1

4(2)/(3) = 32/24 + 16/24 = 48/24 = 2

5(7)/(8) = 35/24

Now, we can add the fractions:

1 + 2 + 35/24 = 3 + 35/24 = 83/24

The total gasoline consumption over the three weeks is 83/24 gallons.

To find the average weekly gasoline consumption, we divide this total by the number of weeks, which is 3:

(83/24) / 3 = 83/24 * 1/3 = 83/72

Therefore, the average weekly gasoline consumption is 83/72 gallons.

To learn more about average:https://brainly.com/question/130657

#SPJ11

the 300 grocery shoppers surveyed, 96 did not have regular day of the week on which they shop. what percentage of the shoppers did not have a regular day of shopping?

Answers

If 300 grocery shoppers were surveyed and 96 did not have a regular day of the week on which they shop, then the percentage of shoppers who did not have a regular day of shopping is 32%.

To find the percentage, follow these steps:

We use the formula to calculate the percentage which is as follows: Percentage = (Number of values / Total number of values) × 100So, the percentage of the shoppers who did not have a regular day of shopping = (96 / 300) × 100 ⇒Percentage = 32%.

Therefore, 32% of the shoppers did not have a regular day of shopping.

Learn more about percentage:

brainly.com/question/843074

#SPJ11

2. Solve initial value problem (IVP)
dy/dx =xy² -cosxsinx/y(1 - x²), y(0) = 2

Answers

The solution of the given initial value problem (IVP) [tex]\frac{dy}{dx} =xy^2 -cosx sin(\frac{x}{y})(1 - x^2)[/tex], y(0) = 2 is [tex]y=2e^{(\frac{x^2}{2} + ln 2)(1 - x^2)}[/tex] .

Given Initial Value Problem (IVP) is;

[tex]\frac{dy}{dx} =xy^2 -cosx sin(\frac{x}{y})(1 - x^2)[/tex], y(0) = 2

We need to solve this IVP. To solve this IVP, we will use the concept of Separation of Variables.

The separation of variables is a technique used to solve a differential equation by separating the variables on either side of the equation and integrating them separately. The method can be used to solve first-order differential equations with variable separable f (x) and g (y). To solve the differential equation, the equation can be rearranged as shown below: f (x) dx = g (y) dy Integrating both sides gives the result:

∫f (x) dx = ∫g (y) dy

Thus, the general solution can be found. To solve the given IVP, we have;

[tex]\frac{dy}{dx} =xy^2 -cosx sin(\frac{x}{y})(1 - x^2)[/tex], y(0) = 2

Separate the variables to get;

[tex]\frac{dy}{y}(1 - x^2) = xdx + cos(x) sin(x) \frac{dx}{y}(y^2)[/tex]

Integrate both sides of the equation to get;

∫[tex]\frac{dy}{y}(1 - x²)[/tex] = ∫[tex]xdx[/tex] + ∫[tex]cos(x) sin(x) \frac{dx}{y}(y^2)\ ln |y| - ln |1 - x^2|[/tex]

= [tex]\frac{x^2}{2} + C + ln |y|y[/tex]

= ±[tex]e^{(\frac{x^2}{2} + C)(1 - x^2)}[/tex]

Now use initial condition y(0) = 2 to find the value of C, [tex]2 =[/tex] ±[tex]e^{(0 + C)(1 - 0)C}[/tex]= ln 2

Thus the solution of the given IVP is; [tex]y=2e^{(\frac{x^2}{2} + ln 2)(1 - x^2)}[/tex]

Hence, the solution of initial value problem (IVP) [tex]\frac{dy}{dx} =xy^2 -cosx sin(\frac{x}{y})(1 - x^2)[/tex], y(0) = 2 is [tex]y=2e^{(\frac{x^2}{2} + ln 2)(1 - x^2)}[/tex] .

To know more about Initial Value Problem visit:

https://brainly.com/question/30503609

#SPJ11

find (A) the leading term of the polynomial, (B) the limit as x approaches [infinity], and (C) the limit as x approaches −[infinity]. 25. p(x)=15+3x 2−5x3
26. p(x)=10−x 6+7x 3
27. p(x)=9x 2−6x 4+7x 28. p(x)=−x 5+2x 3+9x 29. p(x)=x 2+7x+12 30. p(x)=5x+x 3−8x 2 31. p(x)=x 4+2x 5−11x 32. p(x)=1+4x 2+4x 4

Answers

The leading term of a polynomial is the term with the highest degree. The limits as x approach infinity or negative infinity depends on the sign and degree of the leading term.

The leading term of the polynomial is the term with the highest degree in the polynomial. The degree of a term is the exponent of the variable it contains. The limit of a function at a point is the value that the function approaches as the input approaches that point.

For polynomials, the limits as x approaches positive or negative infinity can be found by looking at the leading term. Here are the answers to the given problems:

25. p(x) = 15 + 3x² - 5x³(A) Leading term: -5x³(B) Limit as x approaches infinity: negative infinity(C) Limit as x approaches negative infinity: positive infinity

26. p(x) = 10 - x⁶ + 7x³(A) Leading term: -x⁶(B) Limit as x approaches infinity: negative infinity(C) Limit as x approaches negative infinity: negative infinity

27. p(x) = 9x² - 6x⁴ + 7x³(A) Leading term: -6x⁴(B) Limit as x approaches infinity: negative infinity(C) Limit as x approaches negative infinity: positive infinity

28. p(x) = -x⁵ + 2x³ + 9x(A) Leading term: -x⁵(B) Limit as x approaches infinity: negative infinity(C) Limit as x approaches negative infinity: negative infinity

29. p(x) = x² + 7x + 12(A) Leading term: x²(B) Limit as x approaches infinity: positive infinity(C) Limit as x approaches negative infinity: positive infinity

30. p(x) = 5x + x³ - 8x²(A) Leading term: x³(B) Limit as x approaches infinity: positive infinity(C) Limit as x approaches negative infinity: negative infinity

31. p(x) = x⁴ + 2x⁵ - 11x(A) Leading term: 2x⁵(B) Limit as x approaches infinity: positive infinity(C) Limit as x approaches negative infinity: negative infinity

32. p(x) = 1 + 4x² + 4x⁴(A) Leading term: 4x⁴(B) Limit as x approaches infinity: positive infinity(C) Limit as x approaches negative infinity: positive infinity. The limits as x approach positive or negative infinity are found by looking at the sign of the leading term and the degree of the polynomial.

For more questions on polynomials

https://brainly.com/question/28947270

#SPJ8

If two events are mutually exclusive, they cannot be independent. True False 2. Suppose a class of 120 students took their statistics final and their grades are shown in the table below. (Enter your answers in three decimal places) (a) Choose one student at random. What is the probability that he/she received a B or a C? (Enter your answers in three decimal places) (b) What is the probability that a student selected at random passed the final (where a D is considered to be a not passing grade) (Enter your answers in three decimal places) (c) What is the probability that a student selected at random not passed the final (where a D is considered to be a not passing grade)? (d) D is considered to be a not passing grade. Assuming all students took exam independently. If random select three students, what is the probability that at least one of them passed the class? (e) D is considered to be a not passing grade. Assuming all students took exam independently. If random select three students, what is the probability that at least one of them failed the class? (f) What is the probability that two students selected at random both received A?

Answers

The statement that If two events are mutually exclusive, they cannot be independent is false. The probability are a) 0.49167  b) 0.8  c) 0.2 and

d) 0.674.

Let there be 2 mutually exclusive events A and B.

If the events are independent then,

P(A ∩ B) = P(A) X P(B)

Any set of events is called mutually exclusive if their intersection is 0

Hence,

P(A) X P(B) = 0

Therefore, two mutually exclusive events can be independent if the probability of one of them happening is 0.

Hence it's True.

2.

The total number of students is 120. The number of students to receive the grade:

A is 27

B is 32

C is 37

D is 15

F is 9

We can clearly say that if a student receives a grade A then they cannot receive a grade B, hence the events are mutually exclusive

a)

The probability that the students recieves a B or a C is

P(B U C) = P(B) + P(C)
= 32/120 + 27/120

= 59/120

= 0.49167

b) to pass a final, a students needs to get A, B, or C. Hence we get

P(A U B UC) = P(A) + P(B) + P(C)

= 59/120 + 37/120

= 96/120

= 0.8

c)

clearly, if a person has not passed he has failed. Hence we get

P(not Pass) = 1 - P(Pass) = 1 - 0.8

= 0.2

d)

Since the probability of one student to pass is 0.8, the probability that among three students, atleast one has passed is

P(none pass) + P(one passed) + P(2 passed) + P(three passed)

= 0.2 X 0.2 X 0.2  +  0.8 X 0.2 X 0.2  +  0.8 X 0.8 X 0.2  +  0.8 X 0.8 X 0.8

= 0.002  +  0.032  +  0.128  +  0.512

= 0.674

To learn more about Probability visit

https://brainly.com/question/28168108

#SPJ4

Use the disk method or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line.

y = x3

y = 0

x = 2

(a) the x-axis

(b) the y-axis

(c) the line x = 9

Answers

(a) Volume of the solid generated by revolving around the x-axis is  π * x⁶ * dx.

(b) Volume of the solid generated by revolving around the y-axis is 2π * x⁴ * dx.

(c) Volume of the solid generated by revolving around the line x = 9 is 2π * (x⁴ - 9³x) * dx.

To find the volume using the disk method, we divide the region into infinitesimally thin disks perpendicular to the x-axis and sum up their volumes. The equation y = 0 represents the x-axis, which serves as the axis of rotation in this case. The region bounded by y = x³, y = 0, and x = 2 lies entirely above the x-axis.

Using the disk method, we consider a representative disk at a particular x-value within the region. The radius of this disk is given by the corresponding y-value on the curve y = x³. Thus, the radius of the disk at any x-value is r = x³. The thickness of the disk is infinitesimally small, represented by dx.

The volume of the representative disk is given by the formula for the volume of a disk: V = π * r² * dx. Substituting the expression for r, we have V = π * (x³)² * dx = π * x⁶ * dx.

In this case, the y-axis is the axis of rotation, and we will use the shell method to calculate the volume. The region bounded by y = x³, y = 0, and x = 2 lies to the right of the y-axis.

Using the shell method, we consider an infinitesimally thin vertical strip within the region. The height of this strip is given by the difference between the y-values on the curve y = x³ and the x-axis, which is y = 0. Thus, the height of the strip at any x-value is h = x³ - 0 = x³. The length of the strip is infinitesimally small and represented by dx.

The volume of the representative strip is given by the formula for the volume of a cylindrical shell: V = 2π * x * h * dx. Substituting the expression for h, we have V = 2π * x * (x³) * dx = 2π * x⁴ * dx.

In this case, the line x = 9 acts as the axis of rotation. The region bounded by y = x³, y = 0, and x = 2 lies to the left of x = 9.

We will use the shell method to calculate the volume. Similar to the previous case, we consider an infinitesimally thin vertical strip within the region. The height of this strip is given by the difference between the y-values on the curve y = x³ and the x = 9 line, which is y = x³ - 9³. Thus, the height of the strip at any x-value is h = x³ - 9³. The length of the strip is infinitesimally small and represented by dx.

The volume of the representative strip is given by the formula for the volume of a cylindrical shell: V = 2π * x * h * dx. Substituting the expression for h, we have V = 2π * x * (x³ - 9³) * dx = 2π * (x⁴ - 9³x) * dx.

To know more about volume here

https://brainly.com/question/11168779

#SPJ4

3. Suppose that Y i are independent and identically distributed normal variables with unspecified expectation θ and unspecified variance σ 2.Find Jeffrey's prior for θ and σ 2.

Answers

The Jeffrey's prior for θ and σ^2 can be represented as:

p(θ, σ^2) ∝ 1 / (σ^2)

Jeffrey's prior is a non-informative prior that is invariant under reparameterization. In the case of the normal distribution, Jeffrey's prior for the mean θ and variance σ^2 can be derived as follows:

For θ:

Jeffrey's prior for θ follows a uniform distribution, which means it has a constant density over the entire real line. The probability density function (pdf) for θ is given by:

p(θ) ∝ 1

For σ^2:

Jeffrey's prior for σ^2 follows an inverse gamma distribution. The pdf for σ^2 is given by:

p(σ^2) ∝ (σ^2)^(-1)

So, the Jeffrey's prior for θ and σ^2 can be represented as:

p(θ, σ^2) ∝ 1 / (σ^2)

Note that the symbol "∝" represents proportionality, indicating that the pdfs are up to a constant of proportionality.

Learn more about  Jeffrey's prior from

https://brainly.com/question/27894163

#SPJ11

In a few sentences, justify the claim at the bottom of slide 26 from Module 6 . Use the properties of the Normal family that were provided on slides 15,16 and 20. Let {X 1

,X 2

,…,X n

} be a random sample from a population with mean μ and variance σ 2
Recall that the sample mean X
ˉ
always ... - Has expectation (mean) equal to μ - Has variance equal to σ 2
/n If {X 1

,X 2

,…,X n

} are a random sample from a N(μ,σ 2
), then X
ˉ
has a N(μ,σ 2
/n) distribution

Answers

According to the properties of the Normal family that were provided on slides 15,16 and 20, if {X1,X2,…,Xn} are a random sample from a N(μ,σ2), then the sample mean Xˉ has a N(μ,σ2/n) distribution. Furthermore, recall that the sample mean Xˉ always has expectation (mean) equal to μ and variance equal to σ2/n.

On slide 26 of Module 6, the claim is made that if n is sufficiently large, then Xˉ is approximately normally distributed. This claim can be justified by the Central Limit Theorem, which states that the sample mean of a sufficiently large sample (n>30) taken from any population with a finite variance will have an approximately normal distribution. In other words, if the sample size is large enough, then the distribution of Xˉ will be normal regardless of the distribution of the underlying population.Additionally, the properties of the Normal family that were provided on slides 15,16 and 20 support this claim. Since Xˉ has a N(μ,σ2/n) distribution, it follows that the mean of Xˉ is equal to μ and the variance of Xˉ is equal to σ2/n. Therefore, as n increases, the variance of Xˉ decreases, and the distribution of Xˉ becomes more and more concentrated around μ. This means that Xˉ is more likely to fall within a certain range of values, and this range becomes narrower as n increases. Hence, the claim on slide 26 is justified, as the distribution of Xˉ is indeed approximately normal when n is sufficiently large.

In conclusion, the claim on slide 26 that if n is sufficiently large, then Xˉ is approximately normally distributed is justified by the Central Limit Theorem and the properties of the Normal family. As n increases, the distribution of Xˉ becomes more concentrated around μ, and this concentration is reflected in the decreasing variance of Xˉ. Therefore, we can say that Xˉ is approximately normally distributed when the sample size is sufficiently large.

To learn more about sample mean visit:

brainly.com/question/33323852

#SPJ11

Let XX be a random number between 0 and 1 produced by the idealized uniform random number generator. Use the density curve for XX, shown below, to find the probabilities:
(Click on the image for a larger view.)
(a) P(X>0.7=

(b) P(X=0.73) =

Answers

Use the density curve for XX, shown below, to find the probabilities:

P(X > 0.7) = ∫[0.7,1] f(x) dx

P(X = 0.73) ≈ ∫[0.73-δ,0.73+δ] f(x) dx

For a continuous random variable X with probability density function (PDF) f(x), the probability of X being in a given range [a,b] is given by the definite integral of the PDF over that range:

P(a ≤ X ≤ b) = ∫[a,b] f(x) dx

In the case of (a), we need to find P(X > 0.7). Since XX is between 0 and 1, the total area under the density curve is 1. Therefore, we can find P(X > 0.7) by integrating the density curve from 0.7 to 1:

P(X > 0.7) = ∫[0.7,1] f(x) dx

Similarly, for (b), we need to find P(X = 0.73). However, since X is a continuous random variable, the probability of it taking exactly one value is zero. Therefore, P(X = 0.73) should be interpreted as the probability of X being in a very small interval around 0.73. Mathematically, we can express this as:

P(X = 0.73) = lim(ε→0) P(0.73 - ε/2 ≤ X ≤ 0.73 + ε/2)

This can be approximated by integrating the density curve over a small interval around 0.73:

P(X = 0.73) ≈ ∫[0.73-δ,0.73+δ] f(x) dx

where δ is a small positive number. The smaller the value of δ, the better the approximation.

Learn more about  probability  from

https://brainly.com/question/30390037

#SPJ11

Using pandas
2.2. Find the first four names (ordered by Year) that start with "Ma" and ends with "i".

Answers

Using pandas, filter a DataFrame based on names starting with "Ma" and ending with "i". Sort by "Year" and select the first four names using `df[(df['Name'].str.startswith('Ma')) & (df['Name'].str.endswith('i'))].sort_values('Year')['Name'].head(4)`.

To find the first four names (ordered by Year) that start with "Ma" and end with "i" using pandas, you can follow these steps:

1. Import the pandas library: `import pandas as pd`

2. Load your dataset into a pandas DataFrame. Let's assume your dataset has columns named "Name" and "Year". Replace `your_dataset.csv` with the actual filename: `df = pd.read_csv('your_dataset.csv')`

3. Filter the DataFrame based on the given conditions:

  `filtered_df = df[(df['Name'].str.startswith('Ma')) & (df['Name'].str.endswith('i'))]`

4. Sort the filtered DataFrame by the "Year" column in ascending order:

  `sorted_df = filtered_df.sort_values(by='Year')`

5. Select the first four names from the sorted DataFrame:

  `result = sorted_df['Name'].head(4)`

The variable `result` will contain the first four names (ordered by Year) that start with "Ma" and end with "i" from your dataset.

For more questions on DataFrame:

https://brainly.com/question/24024733

#SPJ8

Find an equation of the plane. the plane through the point (8,5,8) and with normal vector 7{i}+7{j}+5{k}

Answers

The equation of the plane through the point (8, 5, 8) with a normal vector of 7i + 7j + 5k is 7x + 7y + 5z = 92.

To find the equation of a plane, we need a point on the plane and a normal vector perpendicular to the plane. In this case, the given point is (8, 5, 8), and the normal vector is 7i + 7j + 5k.

The equation of a plane can be written in the form Ax + By + Cz = D, where (x, y, z) are the coordinates of any point on the plane, and A, B, C are the components of the normal vector.

Using the given values, the equation becomes 7x + 7y + 5z = D. To determine the value of D, we substitute the coordinates of the point (8, 5, 8) into the equation: 7(8) + 7(5) + 5(8) = D. Simplifying, we get D = 92.

Therefore, the equation of the plane is 7x + 7y + 5z = 92.

Learn more about normal vector here:

brainly.com/question/31832086

#SPJ11

Subtract the rational expressions: Options are in picture

(The first picture from the left is the question. The rest are options.)

Answers

The expression is subtracted to give (a-2)(a+3)/2a². Option A

How to simply the expression

We need to know that algebraic expressions are defined as expressions that are made up of terms, variables, constants, factors and coefficients.

These expressions are made up of arithmetic operations, such as;

Addition BracketSubtractionMultiplicationParentheses

From the information given, we have;

a+ 1/2a - 3/a²

Find the lowest common factor

a( a + 1) - 2(3)/2a²

expand the bracket, we have;

a² + a - 6/2a²

factorize the numerator

a² + 3a - 2a - 6/2a²

a(a + 3) - 2(a +3)/2a²

(a-2)(a+3)/2a²

Learn more about algebraic expressions at: https://brainly.com/question/4344214

#SPJ1

RECYCLING San Francisco has a recycling facility thay in 5 -gallon buckets. Write and Volunteers blend and mix the paint and give it away in 5-gallon buckets. paint given away from the solve an equati

Answers

6,000 buckets of paint are donated, which is equivalent to 30,000 gallons of paint.

The number of 5-gallon buckets of paint donated can be found by solving the equation 5x = 30,000, where x represents the number of buckets. Solving for x, we get x = 6,000. Therefore, 6,000 buckets of paint are donated, which is equivalent to 30,000 gallons of paint.

San Francisco's recycling facility accepts donated paint in 5-gallon buckets. Volunteers blend and mix the paint, and then give it away in the same sized buckets. This is a great initiative that reduces waste and helps communities in need. The donated paint can be used for various purposes such as home renovations, school projects, and community beautification.

Recycling and reusing resources is an important step towards sustainability. By donating and using recycled paint, we reduce the amount of waste going to landfills and conserve resources. It is also a great way to give back to the community and help those in need. The 30,000 gallons of paint donated by San Francisco's recycling facility will surely make a positive impact on the environment and society.

COMPLETE QUESTION:

RECYCLING San Francisco has a recycling facility thay in 5 -gallon buckets. Write and Volunteers blend and mix the paint and give it away in 5-gallon buckets. paint given away from the solve an equation to find the number 30,000 gallons that are donated.

Know more about recycling facility  here:

https://brainly.com/question/33021950

#SPJ11

Deteine the value(s) of x such that [x​2​1​]⎣⎡​1−1−1​−1−11​−13−2​⎦⎤​⎣⎡​x−10​⎦⎤​=0 x∣= Note: If there is more than one value write them separated by commas.

Answers

The values of x for which the given expression is equal to zero are 0, -2, and 10.

Given expression is:[x​2​1​]⎣⎡​1−1−1​−1−11​−13−2​⎦⎤​⎣⎡​x−10​⎦⎤​=0And, [x] represents the greatest integer that is less than or equal to x.We have to find the values of x for which the given expression is equal to 0.In the given expression, we can observe that only one term is a function of x. So, we can simplify the expression as follows:[x​2​1​]⎣⎡​1−1−1​−1−11​−13−2​⎦⎤​⎣⎡​x−10​⎦⎤​=0⎡⎣​x​2​​​1​⎤⎦⎡⎣​1−1−1​−1−11​−13−2​⎤⎦​⎡⎣​x−10​⎤⎦=0⎡⎣​x​2​​​+2x​1​​​⎤⎦⎡⎣​−2​−2​−4​⎤⎦​⎡⎣​x−10​⎤⎦=0⎡⎣​x​2​​​+2x​1​​​⎤⎦⎡⎣​−2(x−10)​⎤⎦​=0⎡⎣​x​2​​​+2x​1​​​⎤⎦⎡⎣​−2x+20​⎤⎦​=0⎡⎣​x​2​​​+2x​1​​​⎤⎦⎡⎣​2(x−10)​⎤⎦​=0Now, we know that the product of two terms is zero if and only if at least one of the terms is zero.So, we have two conditions:⎡⎣​x​2​​​+2x​1​​​⎤⎦=0Or, ⎡⎣​2(x−10)​⎤⎦=0In the first case, we have⎡⎣​x​2​​​+2x​1​​​⎤⎦=0⎡⎣​x(x+2)​⎤⎦=0So, x=0 and x=-2 are the values of x that satisfy this condition.In the second case, we have⎡⎣​2(x−10)​⎤⎦=0⎡⎣​x−10=0​⎤⎦​So, x=10 is the value of x that satisfies this condition.Therefore, the values of x for which the given expression is equal to zero are 0, -2, and 10.

Learn more about expression :

https://brainly.com/question/14083225

#SPJ11


Calculate VaR at 95% confidence level over a 1 day horizon
Mean = 0.0622
St Dev = 1.3804
Once you have done this, please recalculate over a 1 year
horizon. Please show workings.

Answers

Therefore, the VaR at a 95% confidence level over a 1-year horizon is approximately -35.0335.

To calculate the Value at Risk (VaR) at a 95% confidence level over a 1-day horizon, we need to consider the mean and standard deviation of the returns.

Given:

Mean = 0.0622

Standard Deviation = 1.3804

We can use the following formula to calculate VaR:

VaR = Mean - (Z * Standard Deviation)

Where Z represents the Z-score corresponding to the desired confidence level. For a 95% confidence level, Z is approximately 1.645.

Calculating VaR for a 1-day horizon:

VaR = 0.0622 - (1.645 * 1.3804)

= 0.0622 - 2.2725

≈ -2.2103

Therefore, the VaR at a 95% confidence level over a 1-day horizon is approximately -2.2103.

To recalculate VaR over a 1-year horizon, we need to account for the time period. Assuming daily returns are independent and identically distributed, we can use the square root of time rule.

Square root of time rule:

VaR (1-year horizon) = VaR (1-day horizon) * sqrt(1-year)

Since there are approximately 252 trading days in a year, we can calculate the VaR for a 1-year horizon as follows:

VaR (1-year horizon) = -2.2103 * sqrt(252)

≈ -35.0335

Learn more about  confidence level here

https://brainly.com/question/22851322

#SPJ11

Write the equation of a line in slope -intercept fo if it passes through (4,5) and has slope of 1 . Only fill in the right side of the slope -intercept fo of the equation. y

Answers

The equation of a line in slope-intercept form, if it passes through (4,5) and has slope of 1, is y= x+ 1.

To find the equation of the line, follow these steps:

We can use the slope-intercept formula: y = mx + c, where y = the dependent variable, x = the independent variable, m = the slope of the line and c = the y-intercept of the line.Since the line passes through (4,5) and has slope of 1, we can substitute these values into the formula to solve for c : 5 = 1(4) + c⇒ 5 = 4 + c ⇒b = 5 - 4 ⇒c = 1. So the y-intercept is 1. Substituting c=1 and m= 1 into the slope-intercept formula to get the equation of the line in slope-intercept form: y = 1·x + 1

Therefore, the equation of the line in slope-intercept form, if it passes through (4,5) and has slope of 1, is y = x + 1.

Learn more about slope-intercept form:

brainly.com/question/1884491

#SPJ11

The number sequence is 1, 2, 4, 8, 6, 1, 2, 4, 8, 6,. How many sixes are in the first 296 numbers of the sequence?

Answers

Given sequence is 1, 2, 4, 8, 6, 1, 2, 4, 8, 6,. The content loaded is that the sequence is repeated. We need to find out the number of sixes in the first 296 numbers of the sequence. Solution: Let us analyze the given sequence first.

Number sequence is 1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....On close observation, we can see that the sequence is a combination of 5 distinct digits 1, 2, 4, 8, 6, and is loaded. Let's repeat the sequence several times to see the pattern.1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....1, 2, 4, 8, 6, 1, 2, 4, 8, 6, ....We see that the sequence is formed by repeating the numbers {1, 2, 4, 8, 6}. The first number is 1 and the 5th number is 6, and the sequence repeats. We have to count the number of 6's in the first 296 terms of the sequence.So, to obtain the number of 6's in the first 296 terms of the sequence, we need to count the number of times 6 appears in the first 296 terms.296 can be written as 5 × 59 + 1.Therefore, the first 296 terms can be written as 59 complete cycles of the original sequence and 1 extra number, which is 1.The number of 6's in one complete cycle of the sequence is 1. To obtain the number of 6's in 59 cycles of the sequence, we have to multiply the number of 6's in one cycle of the sequence by 59, which is59 × 1 = 59.There is no 6 in the extra number 1.Therefore, there are 59 sixes in the first 296 numbers of the sequence.

Learn more about  numbers of the sequence here:

https://brainly.com/question/15482376

#SPJ11

lim x→0 ( 8x+8xcos(8x) ) /(5sin(8x)cos(8x))

Answers

The limit of the given expression as x approaches 0 is undefined.

To find the limit, we need to evaluate the expression as x approaches 0. Let's simplify the expression first:

(8x + 8x * cos(8x)) / (5 * sin(8x) * cos(8x))

We can factor out 8x from the numerator:

8x(1 + cos(8x)) / (5 * sin(8x) * cos(8x))

Now, we can see that both the numerator and the denominator have a factor of cos(8x). We can cancel out this factor:

8x(1 + cos(8x)) / (5 * sin(8x))

As x approaches 0, sin(8x) also approaches 0. However, the numerator 8x(1 + cos(8x)) does not approach 0. Therefore, the denominator becomes 0 while the numerator remains nonzero. In this case, the limit does not exist.

In conclusion, the limit of the given expression as x approaches 0 is undefined. This is because the numerator does not approach 0 while the denominator approaches 0. The expression does not converge to a specific value as x approaches 0.

Learn more about limit here:

brainly.com/question/12383180

#SPJ11

Compute the derivative of the following function.
f(x)=7x-2x e^x

Answers

The given function is f(x) = 7x − 2xe^x. To find its derivative, we need to use the product rule and the chain rule of differentiation.

Hence, option B is correct.

Product Rule of Differentiation: If u and v are two functions of x, then the product of these two functions is also a function of x given by uv. Then the derivative of the product uv is given by(uv)' = u'v + uv'.Chain Rule of Differentiation: If y is a function of u and u is a function of x, then the derivative of y with respect to x is given by dy/dx = dy/du × du/dx.

Let us differentiate the given function f(x) = 7x − 2xe^x. Using the product rule of differentiation and simplifying, we have f'(x) = [7x]'[e^x] − [2xe^x]'[1]

= 7[e^x] − [2(e^x + xe^x)]

= 7e^x − 2e^x − 2xe^x

= (5 − 2x)e^x

Therefore, the derivative of the given function is f'(x) = (5 − 2x)e^x.

To know more about function visit:

https://brainly.com/question/30721594

#SPJ11

(a) The purpose of this problem is to show that the Axiom of Completeness implies that R has the greatest lower bound property, so do not assume that R has the greatest lower bound property. Let A be nonempty and bounded below, and define B={b∈R:b is a lower bound for A}. Show that supB=infA. (Prove that supB exists first.)

Answers

We have shown that sup(B) exists and sup(B) = inf(A), which completes the proof. To show that sup(B) = inf(A), we need to prove two things: (1) sup(B) exists, and (2) sup(B) = inf(A).

Proof:

1. Existence of sup(B):

Since A is nonempty and bounded below, B is nonempty and bounded above. This means that B satisfies the conditions for the completeness axiom. Therefore, B has a supremum (sup(B)).

2. sup(B) = inf(A):

We will prove this statement in two parts:

  (a) Show that sup(B) ≤ inf(A):

     Let b ∈ B be a lower bound for A. Since b is a lower bound for A, it follows that b ≤ a for all a ∈ A. This implies that b is an upper bound for B. Therefore, sup(B) ≤ b for all b ∈ B. In particular, sup(B) ≤ inf(B), where inf(B) is the greatest lower bound of B. Since inf(A) is a lower bound for A, inf(A) ∈ B. Hence, sup(B) ≤ inf(B) = inf(A).

     

  (b) Show that sup(B) ≥ inf(A):

     Let a ∈ A be any element in A. Since a is not a lower bound for A, there exists b ∈ B such that b ≤ a. This implies that a is an upper bound for B. Therefore, sup(B) ≥ a for all a ∈ A. In particular, sup(B) ≥ inf(A), where inf(A) is the greatest lower bound of A.

     

  Combining parts (a) and (b), we have sup(B) ≤ inf(A) and sup(B) ≥ inf(A). This implies that sup(B) = inf(A).

 

Therefore, we have shown that sup(B) exists and sup(B) = inf(A), which completes the proof.

Learn more about nonempty here:

https://brainly.com/question/32934636

#SPJ11

Amy is helping plan her school's new basketball court. The west edge of the basketball court is located on the line y = 5x + 2. The east edge cannot intersect with the west edge. On which line could the east edge be located?

−y − 5x = 100
y + 5x = 100
−5x − y = 50
5x − y = 50

Answers

The east edge will need to be parallel to the west end which means the slope must be the same

When you put each line into the slope intercept form you will find:

y= -5x-100
y=-5x+100
y=-5x-50
y=5x-50

The line for the east edge will be. y=5x-50
Other Questions
you may not use both break and continue statements within the same set of nested loops. We want to understand, for all people in town, the average hours per week that all people in town exercised last week. To determine the average, a pollster collects a random sample of 245 people from town by assigning random numbers to addresses in town, and then randomly selecting from those numbers and polling those selected. The poll asked respondents to answer the question "how many hours did you exercise last week?" (a) Describe the population of interest. (b) Explain if this sampling method will create a representative sample or not and WHY or WHY NOT. (c) Describe the parameter of interest, and give the symbol we would use for that parameter. (d) Explain if this sampling method will likely over-estimate, or under-estimate, or roughly accurately estimate the true value of the population parameter, and EXPLAIN WHY. Please show how to work this question in excel. Thank you!Campbell Manufacturing Company (CMC) was started when it acquired $80,000 by issuing common stock. During the first year of operations, the company incurred specifically identifiable product costs (materials, labor, and overhead) amounting to $75,000. CMC also incurred $60,000 of engineering design and planning costs. There was a debate regarding how the design and planning costs should be classified. Advocates of Option 1 believe that the costs should be classified as general, selling, and administrative costs. Advocates of Option 2 believe it is more appropriate to classify the design and planning costs as product costs. During the year, CMC made 5,000 units of product and sold 4,000 units at a price of $35 each. All transactions were cash transactions. $20,000 Option 2: Total assets $112,000a. Prepare a GAAP-based income statement and balance sheet under each of the two options Based on your answer, do you think this is a star that we might be able to send a space probe to? Why, or why not? Required information Self-Study Problem 11-1 (Algo) Special-Order Pricing [The following information applies to the questions displayed below.] HighValu Incorporated manufactures a moderately priced set of lawn furniture (a table and four chairs) that it sells for $260. The company currently manufactures and sells 6,700 sets per year. The manufacturing costs include $92 for direct materials and $52 for direct labor per set. The overhead charge per set is $42, which consists entirely of fixed costs. HighValu is considering a special purchase offer from a large retail firm, which has offered to buy 670 sets per year for three years at a price of $178 per set. HighValu has the available plant capacity to produce the order and expects no other orders or profitable alternative uses of the plant capacity. Part 1 (Algo) Required: 1. What is the total relevant cost per unit to produce the units requested by the retail firm? 2. What is the estimated net effect on annual operating income if HighValu accepts the special sales order? Given a Binomial distribution with n=5,p=0.3, and q=0.7 where p is the probability of success in each trial and q is the probability of failure in each trial. Based on these information, the expected What are the basic assumptions of marxism?What does being "dependent" mean for dependency theorists?What is the main unit of analysis of IPE for Immanuel Wallerstein?Why do we say that the neo-Gramscian school has an explicit normative aim?Why is production, according to Cox and Marxists, conditioning the organization of society?What is the influence of Marxism on the Neo-gramscian school?How does neo-gramscian hegemony differ from hegemonic stability theory?What does the structural power of capital mean for stephen gill and david law?What is an organic intellectual according to gramsci? what is the coefficient for o2 when the equation for the combustion of methanol is balanced? ________ ch3oh ________ o2 ____ co2 ________ h2o A value can be determined to be odd or even by using one of the math operators we have learned in class. Your job is to determine which operator this is. Write a Python script which prompts the user for an integer value, which is assigned to a counter variable. Inside a while loop, which executes while the counter is greater than zero (>0), check if the value contained in the counter variable is even. If the value in the counter variable is even, print that value. Decrement the counter at the end of each loop. COMPUTER VISIONWRITE CODE IN PYTHONtasks:Rotate any image along all 3 axis, you can use libraries. Take any point in 3D World and project onto a 2D Space of Image Complete the following syllogism so that it is valid and the conclusion is true. Some windows are dirty. All dirty windows should be washed. ou are a gift officer who has a private conversation, with a donor. That donor tells you that another donor, whom you also know, is seriously ill and that the family has financial problems, despite appearances. With whom do you share that information, if at all? Do you record the information in a database or include it in your written report of the visit? which of these factors affects whether a person becomes poor? select one: a. gender b. education c. iq d. mental health while ((title = reader.ReadLine()) != null) { artist = reader.ReadLine(); length = Convert.ToDouble(reader.ReadLine()); genre = (SongGenre)Enum.Parse(typeof(SongGenre), reader.ReadLine()); songs.Add(new Song(title, artist, length, genre)); } reader.Close(); What types of UV radiation does the stratospheric ozone layer protect us from?2, Identify two effects on human health that can result as a consequence of stratospheric ozone depletion?3, Identify two effects on ecosystem health that can result as a consequence of stratospheric ozone depletion? The expected return on the market, the risk free rate, and the standard deviation of the return on the market are shown in the table below. One investor creates a portfolio on the efficient frontier with a standard deviation of the returns of 10% (Portfolio A) Another investor creates a portfolio on the efficient frontier with an expected return of 20\%. (Portfolio B) What are (1) the expected return of Portfolio A, and (2) the standard deviation of the returns of Portfolio B? Provide your answers to (1) and (2) separately. "Program ______ graphically present the detailed sequence of steps needed to solve a programming problem. A) Flowcharts B) Pseudocode C) Loops D) Modules" the degree to which a questionnaire measures what it is supposed to measure is an indication of its: In the long run, which of the following is true of a perfectly-competitive market?1. All firms profits are zero2. Price equals marginal cost3. Firms suffer losses4. Two or more of the above are true What are the key features of a dictionary?