Therefore , the required probability is therefore 1/151200, which is the answer to the probability problem.
What is the process of probability?The probability that a happening will happen or that the proposition is true is determined by a field of mathematics known as probability theory. A probability is a number between 0 and 1, where 1 represents certainty and 0 roughly represents the likelihood that an event will occur. A probability is a numerical expression of a certain event's likelihood or chance of happening. The percentages 0% - 100% and 0 to 1 can also be used to express probabilities. the percentage of times in an ideal collection of equally likely alternatives that an event occurs compared to all possible outcomes.
Here,
The six numbers can only be chosen in one way if the order chosen must match my phone number.
In 10P6 methods, six random digits from a possible total of ten can be chosen.
So the necessary probability is equal to 1/P. (10,6).
Alternative: Probability = 1/151200
The required probability is therefore 1/151200, which is the answer to the probability problem.
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the number of hours a lightbulb burns before failing varies form bulb to bulb. the population distribution of burnout times is strongly skweed to the right. the central limit theorem says that
The central limit theorem states that if a large enough sample is taken from a population with a strongly skewed distribution, the distribution of the sample means will be approximately normal, regardless of the shape of the population distribution.
This means that even if the population distribution of burnout times for lightbulbs is strongly skewed to the right, if a large enough sample of burnout times is taken, the distribution of sample means will be approximately normal. This allows for the use of standard statistical techniques, such as calculating a mean and standard deviation, for making inferences about the population.
It is important to note that for the central limit theorem to hold, the sample size should be large enough, usually n>30.
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The octagon shown below eight congruent sides.What is the area,to the nearest square centimeter of the octagon?
The area of the octagon, to the nearest square centimeter, is 628 cm^2.
What is octagon?Octagon is a two-dimensional shape with eight sides and eight angles. It is a polygon with eight vertices, and it is one of the most widely recognized geometric shapes. It is often used in architecture, as well as in signage and logo designs. Octagons can also be found in nature, such as in the shape of honeycomb cells, some flower petals, and certain animal eyes.
To calculate the area of an octagon, we need to first calculate the length of the side. To do this we use the formula for the perimeter of an octagon: P = 8s, where s is the length of the side. Solving for s: s = P / 8.
The perimeter of the octagon is 80 cm. So the length of the side is 80 cm / 8 = 10 cm. Now we can use the formula for the area of an octagon: A = 2(1 + √2) s^2. Plugging in our value for s, we get: A = 2(1 + √2) (10 cm)^2 = 628.3 square cm. The area of the octagon, to the nearest square centimeter, is 628 cm^2.
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please help with number 8
Answer:
d,e,f,g,h
Step-by-step explanation:
all those are function bc the x value doesn't repeat meaning the x value has only one y-value
The roots of the equation x^2+bx+c=0 are -4 and 2. Find c
Answer: -8
Step-by-step explanation:
your phone plan charges you an initial fee of $50 plus $.25 per minute. if your bill last month was $225, how many minutes did you use? question 6 options: a) 725 minutes b) 700 minutes c) 650 minutes d) 600 minutes
To find the total number of minutes used, divide $175 by the $.25 per minute charge. This equals 650 minutes, meaning the user had used 650 minutes throughout the month.
$50 initial fee + $.25 per minute = $225
$225 - $50 = $175
$175 / $.25 = 650 minutes
The initial fee for the phone plan was $50, and for every minute used, an additional $.25 was charged. Last month's bill was $225, so subtracting the $50 initial fee from the total cost of the bill leaves $175, which is the cost of the minutes used. To find the total number of minutes used, divide $175 by the $.25 per minute charge. This equals 650 minutes.
The phone plan charges an initial fee of $50 for the month, as well as an additional $.25 for every minute used. Last month's bill was $225, so to find the total number of minutes used, subtract the $50 initial fee from the total cost of the bill. This results in $175, which is the cost of the minutes used. To find the total number of minutes used, divide $175 by the $.25 per minute charge. This equals 650 minutes, meaning the user had used 650 minutes throughout the month.
A user's phone plan last month costed $225, which included an initial fee of $50 plus $.25 for every minute used. After subtracting the initial fee from the total bill cost, $175 was left which was the cost of the minutes used. Dividing this number by the $.25 per minute charge reveals that the user had used 650 minutes.
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Find the value of x in the triangle shown below.
Answer: B square root of 40
Step-by-step explanation:
You're trying to find the length of the hypotenuse so you need to use the formula a^2 + b^2 = c^2
c = x
a = 2
b = 6
So 2^2 + 6^2 = x^2
Which equals: 4 + 36 = x^2
This can be simplified into 40 = x^2
And to get x by itself, just take the square root of each side: Square root of 40 = x
The length of a rectangular chart is thrice its breadth. The perimeter of the chart is $168$ cm. Which of these equations can be set up for this situation, if $b$ is the breadth of the chart
The required dimensions of the given rectangle are a breadth of 21 meters and a length of 63 meters.
What do we mean by dimensions?The homes we live in and the items we use on a daily basis all have three dimensions: height, length, and width.
The minimal set of coordinates required to specify any point within a mathematical space is known as the dimension of the space in physics and mathematics.
So, the dimensions of the rectangle are:
Let the dimensions of this rectangle be x for the width and 3x for the length.
2(Length + Breadth) =perimeter of rectangular park.
2( 3x + x ) = 168 metres.
6x + 2x = 168 metres.
8x = 168 metres.
x = (168/8) metres.
x = 21 metres.
Now,
Breadth: x = 21 metres
Length: 3x = 3× 21 = 63 metres
Therefore, the required dimensions of the given rectangle are a breadth: of 21 meters and a length of 63 meters.
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Correct question:
The length of a rectangular park is thrice its breadth and if the perimeter of the park is 168 meters, find its dimensions.
find the diameter of each circle. use 3.14 for the value of pi. round your answer to the nearest tenth. circumference = 69.1 yd
please hurry
The diameter of a circle with a circumference of 69.1 yds is 22.
What is circumference of a circle?
The measurement of the circle's perimeter, also known as the circle's boundary, is called its circumference . The radius of the circle is considered when applying the formula to determine the circumference of the circle.
Circumference of circle(C) = 2πR
where,
R represents the radius of the circle
We know that diameter of circle is twice of its radius i.e
Diameter(D) = 2R
Thus, C = πD
We are given Circumference(C) = 69.1yd and π= 3.14
So, using C = πD, we get
⇒69.1 = 3.14*D
⇒D = 69.1/3.14
⇒D = 22
Hence, the diameter of a circle with a circumference of 69.1 yds is 22.
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A ball is launched from a 114.24-foot tall platform. The equation for
the ball's height hat time t seconds after launch is h (t)=-16f² +
59.2t+114.24, where his in feet. What is the maximum height the
ball achieves before landing?
To find the maximum height the ball achieves before landing, we need to find the vertex of the parabola represented by the equation h(t) = -16t^2 + 59.2t + 114.24. The vertex form of a parabola's equation is y = a(x-h)² + k where (h, k) is the coordinates of the vertex.
We can get the vertex form by completing the square of x term.
h(t) = -16t² + 59.2t + 114.24
h(t) = -16(t² - 3.68t) + 114.24 + 3.68t
h(t) = -16(t-0.92)² + 118.92
The maximum height is 118.92 ft which is k.
Uday Tahlan
suppose a veterinarian applies the procedure to a flock of 100,000 chickens at a commercial egg production farm. the elisa test is known to have probability 0.05 of producing a false positive result and probability 0.10 of producing a false negative result for a single chicken. a. if no chicken in the flock is infected with the h6n2 virus, what is the probability that the veterinarian will conclude that the h6n2 virus is not present in the flock? show how you found your answer. b. if no chicken in the flock is infected with the h6n2 virus, what is the probability that the veterinarian will conclude that the h6n2 virus is present in the flock? show how you found your answer. c. if every chicken in the flock is infected with the h6n2 virus, what is the probability that the veterinarian will conclude that the h6n2 virus is present in the flock? show how you found your answer. d. if 20 percent of the chickens in the flock are infected with the h6n2 virus and the other 80 percent are not infected, what is the probability that the veterinarian will conclude that the h6n2 virus is present
The respective probabilities are -
(a).P(vet concludes-no virus ,if no chicken is infected)=0.988,
(b).P(vet cincludes virus,if no chicken is infected)= 0.012,
(c).P(vet cincludes virus, if every chicken is infected)=0.99 ,
(d).P(vet cincludes virus, if 20% chickens are infected)= 0.383.
This problem involves the probability of binomial distribution as there are only two outcomes of the event, either the bird is infected or its not infected.
Now, let us suppose in this problem, that x is a random variable indicating the no. of chickens infected.
According to question , P(false positive test)=0.05,
P(false negative test)=0.10 where false positive test means that the bird is not infected and still the vet says that its infected.
false negative test means that the bird is not infected and the vet declares it to be infected.
Now, P(bird is not infected) = 1- P(bird tested false positive) = 1-0.05=0.95
Similarly, P(bird is infected) = 1 - P(bird tested false negative) 1- 0.10=0.90
Now, in the question , the vet declares the flock as infected if at least 3 out of 10 chickens are infected.
So, in (a) , t]if the vet does not declare the birds as infected means less than 3 birds would only be infected.
so, P(vet declares as uninfected) = P(x=0) + P(x=1) + P(x=2)=
10C0 (0.05)^0 (0.95^10) + 10C1 (0.05)^1 (0.95)^9 + 10C2(0.05)^2 (0.95)^8
Upon calculating this , we get 0.988.
Now, for (b) , P(no virus and vet declares it to be present)= 1- P(no virus and vet does not declare it to be infected)= 1-0.988 = 0.012.
(c) - the probability that every chicken in the flock is infected with the h6n2 virus, what is the probability that the veterinarian will conclude that the h6n2 virus is present in the flock = 1- P(every chicken is infected and the vet declares as not infected) = 1- bin (10,0.9,2)
=1- 10C0(0.9)^0(0.1)^10 + 10C1(0.9)^1(0.1)^9 + 10C2(0.9)^8(0.1)^2 = 1- 0.001 = 0.99.
(d) . Now here, we need to calculate P(x>=3) =
1- [10C0(0.22)^0(0.78)^10 + 10C1(0.22)^1(0.78)^9 + 10C2(0.22)^8(0.78)^2]
=0.383.
So, in this way we get answers as (a)-0.988 , (b)- 0.012, (c)-0.99 , (d) - 0.383.
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Find the slope of a line that is perpendicular to the line through the points (4.95, 5.96) and (8.01, 21.03). Enter your answer as a fraction.
The slope of a line that is perpendicular to the line through the points is - 25/123
Slope of Line
The change in the y-coordinate relative to the change in the x-coordinate of a line is referred to as the slope of that line. The net change in the y-coordinate is y, while the net change in the x-coordinate is x. As a result, the change in the y-coordinate with regard to the change in the x-coordinate may be expressed as,
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
Relation between the slope of two lines perpendicular to each otherThe reciprocal of the perpendicular line's slope is negative. This implies that you switch the slope's sign to its opposite.
m₁ × m₂ = -1
Where,
m₁ = Slope of the first line
m₂ = Slope of the second line
According to the question
Given
points A (4.95, 5.96) and B (8.01, 21.03)
So the equation of the line passing from these two points will be
(y - y₁) = [tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex] (x - x₁)
So the equation we get will be
(y - 5.96) = [tex]\frac{21.03 - 5.96}{8.01 - 4.95}[/tex] (x - 4.95)
⇒ y - 5.96 = 4.92 (x - 4.95)
⇒ y - 5.96 = 4.92x - 24.55
⇒ y = 4.92x - 18.39
This is the required equation passing from the two given points with slope m = 4.92 ⇒ m = 123/25
Now
∵ m₁ × m₂ = -1
∴ (123/25) × m₂ = -1
⇒ m₂ = - (25/125)
Hence, the slope of a line that is perpendicular to the line through the points is - 25/123
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The slope of a line that is perpendicular to the line through the points is - 25/123
Slope of LineThe change in the y-coordinate relative to the change in the x-coordinate of a line is referred to as the slope of that line. The net change in the y-coordinate is y, while the net change in the x-coordinate is x. As a result, the change in the y-coordinate with regard to the change in the x-coordinate may be expressed as,
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
Relation between the slope of two lines perpendicular to each otherThe reciprocal of the perpendicular line's slope is negative. This implies that you switch the slope's sign to its opposite.
m₁ × m₂ = -1
Where,
m₁ = Slope of the first line
m₂ = Slope of the second line
According to the question
Given
points A (4.95, 5.96) and B (8.01, 21.03)
So the equation of the line passing from these two points will be
(y - y₁) = [tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex] (x - x₁)
So the equation we get will be
(y - 5.96) = [tex]\frac{21.03 - 5.96}{8.01 - 4.95}[/tex] (x - 4.95)
⇒ y - 5.96 = 4.92 (x - 4.95)
⇒ y - 5.96 = 4.92x - 24.55
⇒ y = 4.92x - 18.39
This is the required equation passing from the two given points with slope m = 4.92 ⇒ m = 123/25
Now
∵ m₁ × m₂ = -1
∴ (123/25) × m₂ = -1
⇒ m₂ = - (25/125)
Hence, the slope of a line that is perpendicular to the line through the points is - 25/123
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quadrilateral GHIJ is similar to quadrilateral KLMN. Find KL. Round your answer to the nearest tenth if necessary. Figures are not drawn to scale.
Length of KL is 31.5 unit.
What is quadrilateral?A quadrilateral is a closed shape and a type of polygon that has four sides, four vertices and four angles. It is formed by joining four non-collinear points. The sum of interior angles of quadrilaterals is always equal to 360 degrees.
Given in the figure
GJ = 15
GH = 8
KN = 59
KL = x
GHIJ and KLMN are similar
therefore, ratio of the sides will be equal
GJ/GH = KN/KL
15/8 = 59/x
x = 59 × 8/15
x = 472/15
x = 31.4667
Hence,31.5 is length of KL.
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all real numbers that are less than or equal to -8 or greater than 12
Answer:
[tex]-8 \leq x \leq -3[/tex]
Step-by-step explanation:
[tex]-8 \leq x \leq -3[/tex] this is the expression you are looking for.
Answer:
Step-by-step explanation:
12 < x ≤-8
If you multiply the age
of ann with 3 and
If you multiply
multiply the age
Subtract 1 from the result, you get the age
of her father. If you multiply the age of Ann
in 12 years with 2 and Subtract one from the
result you get the age of her father in 12 years,
How old is Ann now?
PLEASE HELP DUE IN 10 MINUTES
The box-and-whisker plot below represents some data set. What percentage of the
data values are between 30 and 55?
Answer:
31.25%
Step-by-step explanation:
55- 30 = 25
25/80 x 100 = 125 /4 or 31.25%
I am assuming that the sample size is between 10 and 80.
Cheers
Answer:
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
in a statistics activity, students are asked to determine if there is a difference in the proportion of times that a spinning penny will land with tails up, and the proportion of times a spinning dime will land tails up. the students are instructed to spin the penny and the dime 30 times and record the number of times they land tails up. for one student, the penny lands tails side up 18 times, and the dime lands tails side up 20 times. assuming the conditions for inference are met, what is the 98% confidence interval for the difference in proportions of tails side up for a penny and a dime?
The 98% confidence interval for the difference in proportions of tails side up for a penny and a dime would lie between -0.2 and 0.6.
What is statistics?Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, and presentation of data. It is used to summarize, analyze, and compare data in order to draw conclusions and make decisions. Statistical methods are used in a wide variety of fields, including economics, finance, business, engineering, medicine, psychology, social sciences, and many others.
Statistics helps us to understand the behavior of a large number of variables by studying their distributions, relationships, and other patterns. Statistical methods are used to describe and summarize the data, estimate parameters of the population, test hypotheses, and make predictions. Statistical analysis can be used to draw conclusions about the population based on sample data and to determine the probability of certain events occurring. Statistical techniques are used to identify trends and patterns in data, as well as to assess relationships between variables.
This confidence interval can be calculated using the formula for a confidence interval for two proportions, which is: CI = p1 - p2 ± (1.96 x √[(p1(1-p1)/n1) + (p2(1-p2)/n2)]).
In this case, p1 is the proportion of times a spinning penny lands with tails up (18/30 = 0.6), p2 is the proportion of times a spinning dime lands with tails up (20/30 = 0.67), n1 is the number of times the penny was spun (30) and n2 is the number of times the dime was spun (30). Plugging these values into the formula yields a confidence interval of -0.2 and 0.6.
This means that we can be 98% confident that the difference in proportions of tails side up for a penny and a dime lies between -0.2 and 0.6.
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Quadrilateral LMNP has vertices at L(-4,3), M (2,7), N(9,3), and P(-3,-5).
-
Quadrilateral LMNP has four vertices at the coordinates: L(-4,3), M(2,7), N(9,3), and P(-3,-5).
These vertices can be plotted on to a Cartesian coordinate plane in order to form a quadrilateral shape. The shape of the quadrilateral which can be determined by the relative positions of its one of vertices, such as whether to check it is a rectangle, square, parallelogram, or any other type of quadrilateral as such . However, without more information or proper data , it is not possible to determine whether the quadrilateral is having the exact shape of quadrilateral LMNP from just its vertices or not .It is a type of polygon which contains 4 sides, 4 vertices and 4 angles. To make a one quadrilateral and contains four non-collinear points which are joined and the sum of all the interior angles and exterior angles is always equal to 360 degrees as we know . The word ‘Quadrilateral’ was initiated from Latin words ‘Quadra’ and ‘Latus’ which meant four and sides respectively.
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identify each mapping as a translation, reflection, rotation, or glide reflection. write the rule for each translation, reflection, rotation, or glide reflection. for glide reflections, write the rule as a composition of a translation and a reflection.
A translation is a mapping of a figure in a direction and distance without changing its orientation. The rule for a translation is of the form (x, y) -> (x + h, y + k), where h and k are the horizontal and vertical distances of the translation, respectively.
A reflection is a mapping of a figure across a line, called the line of reflection, without changing its size or orientation. The rule for a reflection is of the form (x, y) -> (x, -y) or (x, y) -> (-x, y), depending on whether the line of reflection is horizontal or vertical, respectively.
A rotation is a mapping of a figure around a point, called the center of rotation, by a certain angle. The rule for a rotation is of the form (x, y) -> (x', y'), where x' and y' are the coordinates of the rotated point, and are given by x' = xcos (theta) - ysin(theta) and y' = xsin(theta) + ycos(theta), where theta is the angle of rotation.
A glide reflection is a composition of a translation and a reflection. The rule for a glide reflection is of the form (x, y) -> (x + h, -y) or (x, y) -> (x, -y + k), depending on whether the line of reflection is horizontal or vertical, respectively, and h or k is the distance of translation.
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The values of a,b,c, and d are 1, 2, 3 and 4, though not necessarily in that order. what is the greatest possible value of ab+bc+cd+da?
The values of a, b, c, and d are 1, 2, 3 and 4, though not necessarily in that order. The greatest possible value of ab + bc + cd + da is 25.
Greatest Possible Value:
For any number, whether decimal or integer, the leftmost non-zero digit is most significant. For decimals, this digit is the first non-zero digit to the right of the decimal point, and for integers it is the first digit in a series of numbers. For example, in the fraction 0.00163925, the most significant digit is 1. In the integer 2,473,981, the most significant digit is 2. Rounding off the most significant digit in these two examples gives a fraction of 0.002 and an integer of 2,000,000.
Given That:
The Values of a, b, c and d is 1 ,2 ,3 and 4
Therefore,
4× 2 + 2 × 1 + 1 × 3 +3 × 4
= 25
Therefore, the greatest possible value of ab + bc + cd + da is 25.
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For the matrix A below, find a nonzero vector in Nul A, a nonzero vector in Col A, and a nonzero vector in Row A = 1350 012-7 A nonzero column vector in Nul Ais A nonzero column vector in Col A is A nonzero column vector in Row Ais
As per row echelon form of the matrix, the column space for the given matrix A is { [1 0], [3 1] }
The term row echelon form of the matrix is defined as a matrix is in echelon form if it has the shape resulting from a Gaussian elimination.
Here we have given the following matrix
[tex]\begin{bmatrix}1 &3 &5 &0 \\0 & 1 & 2 & -3\end{bmatrix}[/tex]
As we all know that the column space is a space spanned by the columns of the initial matrix that correspond to the pivot columns of the reduced matrix.
As per the definition of row echelon the given matrix is already in the row echelon form.
So, the column space is written as, first two columns
=> [tex]\begin{bmatrix}1 \\0\end{bmatrix}\begin{bmatrix}3 \\1\end{bmatrix}\\[/tex]
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Solve 11/5 x-2/3 = 1 13/45
Answer:13/9
Step-by-step explanation:11x/5 -2/3 = 113/45 after adding 2/3 to both sides we have 11x/5 = 143/45. Now we multiply 11x/5 by 9/9 which equals 99x/45 = 143/45. This means 99x = 143 and x =143/99 = 13/9
VX is a midsegment of UWY
If UY = 13p - 1 and VX = 20p - 95, what is UY
Solving for UY. in the figure provided where VX is a midsegment of UWY, UY is 90
What are similar triangles?When the comparable triangles' angles are congruent and their respective sides are proportionate, this is referred to as similar triangles in geometry.
In light of this, if the triangle's corresponding angles are congruent, then the side should be proportionate.
For the given figure, the proportionate sides are
WV and VX, WU and UY
Solving for P
WV / VX = WU / UY
1 / (20p - 95) = 2 / (13p - 1)
cross multiplying
13p - 1 = 2(20p - 95)
13p - 1 = 40p - 190
collecting like terms
190 - 1 = 40p - 13p
189 = 27p
p = 7
solving for UY
= 13p - 1
= 13 * 7 - 1
= 90
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a consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly that airline again. find the standard error for the sample proportion of airline travelers who would fly on that airline again.
According to the given information the standard error for the sample proportion is 0.024.
How is percentage calculated?When determining if two ratios as well as fractions are equivalent, using proportion formula is utilized. By dividing the supplied numbers, we may determine the missing value. One way to express the percentage formula is as a: Whereas a and d are indeed the extremes values and b and c are indeed the mean terms, a: b::c : d = a/b = c/d
Sample size (n) = 146 participants
The percentage (p) of respondents who said they would be interested in attending the program again is as follows:
[tex]\begin{aligned}& p=\frac{132}{146} \\& p=0.9041\end{aligned}[/tex]
For a sample of size "n" and percentage "p," the standard error is as follows:
[tex]\begin{aligned}& S E=\sqrt{\frac{p *(1-p)}{n}} \\& S E=\sqrt{\frac{0.9041 *(1-0.9041)}{146}} \\& S E=0.024\end{aligned}[/tex]
The sample percentage of viewers who wish to see the show again has a standard error of 0.024.
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How do you put it into standard form
I need the system of equations.
Answer:no
Step-by-step explanation:
tdap is a booster shot that prevents diphtheria, tetanus, and pertussis in adults and adolescents. it should be administered every 8 years for it to remain effective. a random sample of 500 people living in a town that experienced a pertussis outbreak this year were divided into two groups. group 1 was made up of 132 individuals who had not had the tdap booster in the past 8 years, and group 2 consisted of 368 individuals who had. in group 1, 15 individuals caught pertussis during the outbreak, and in group 2, 11 individuals caught pertussis. is there evidence to suggest that the proportion of individuals who caught pertussis and were not up to date on their booster shot is higher than those that were? test at the 0.05 level of significance.
Answer: To determine if there is evidence to suggest that the proportion of individuals who caught pertussis and were not up to date on their booster shot is higher than those that were, we can conduct a two-sample proportion test.
The null hypothesis is that the proportion of individuals who caught pertussis and were not up to date on their booster shot is the same as the proportion of individuals who caught pertussis and were up to date on their booster shot.
H0: p1 = p2
The alternative hypothesis is that the proportion of individuals who caught pertussis and were not up to date on their booster shot is higher than the proportion of individuals who caught pertussis and were up to date on their booster shot.
Ha: p1 > p2
Using a two-sample proportion test with a significance level of 0.05, we can calculate the test statistic and p-value.
p1 = 15/132 = 0.1136
p2 = 11/368 = 0.0301
p = (15 + 11)/(132 + 368) = 0.0564
SE = sqrt{p(1-p)((1/132)+(1/368))} = 0.0165
z = (p1 - p2) / SE = 4.0491
p-value = P(z > 4.0491) = 0.0000
Since the p-value is less than the significance level of 0.05, we reject the null hypothesis and conclude that there is evidence to suggest that the proportion of individuals who caught pertussis and were not up to date on their booster shot is higher than those that were.
Step-by-step explanation:
Is 78.120 less than 78.2
What is the inverse of 1 2?
The inverse of a point (1, 2) on a graph would be the point (2, 1) because it's the reflection of the point (1, 2) over the line y = x.
In general, the inverse of a point (x, y) on a graph is the point (y, x). This is because when we switch the x and y coordinates of a point, we are reflecting it over the line y = x, which is the line of symmetry of the inverse function.
Inverse functions are mathematical operations that "reverse" each other. For example, if f(x) = 2x, then the inverse function f^-1(x) = x/2, when you apply f(x) and then f^-1(x) to a number you'll get the same number, so f^-1(f(x))=x, that's why they are called inverse. Inverse functions are only defined for bijective functions.
To know more on Inverse functions
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Alden has two part-time jobs. He works 4 times as many hours at a grocery store than he works at a shoe store. Let g represent the hours Alden works at the grocery store and s represent the time he works at the shoe store.
Which equation represents the relationship between the hours that Alden works at the grocery store and the shoe store?
Answer:
4g=s
Step-by-step explanation:
4g=s
there are 4 g's for every s as he work for 4 times as many hours at the grocery store.
Please hurry! Help and hurry ! But no false answer !
Answer:
50.3 square units
Step-by-step explanation:
area of rectangle: 11 x twice the radius
radius = 2
A(rect): = 11(4) = 44 sq units
A (semi-circle) = (π·r²) / 2
A = 4π / 2 = 2π = 6.28 sq units
44.0 + 6.28 = 50.28
