Answer: Frank is going to plant "b" vegetables in one garden and "2b + 1" vegetables in another garden. So, the total number of seeds he is going to plant is b + (2b + 1) = 3b + 1.
Step-by-step explanation:
Write the quadratic function in factored form given the parabola has roots of 9 and -6 and passes through the point (-8,-102).
The quadratic function in factored form given the parabola has roots of 9 and -6 and passes through the point (-8,-102) is f(x) = x²-3x-54
What is a quadratic function?A quadratic function is a polynomial function with one or more variables in which the highest exponent of the variable is two.
Given that, the quadratic function in factored form given the parabola has roots of 9 and -6 and passes through the point (-8,-102).
We know that, the standard form of the quadratic equation is given by,
x²-(α+β)x+αβ=0, where α and β are roots of the equation,
Therefore,
x²-(9-6)x+9(-6) = 0
x²-3x-54 = 0
Hence, the quadratic function in factored form given the parabola has roots of 9 and -6 and passes through the point (-8,-102) is f(x) = x²-3x-54
Learn more about quadratic function, click;
https://brainly.com/question/18958913
#SPJ1
each apple tree produces 48,5 kg apples the apples have an average mass of 165g each
calculate the total number of apples produced by the 200 trees
Give your answer correct to the nearest 1000 apples
5 additional trees give maximum yield and 35 trees per acre will give largest crop of apple.
Let's assume that, we are planting x apple trees extra per acre. So, net 10x apple will be less.
Let say, total number of apples = y
Then, y = (30+x)×(400–10x)
For, optimum number of trees, let's do the differentiation of the above equation with respect to x.
d(y)/d(x) = (400–10x)×1 + (30+x)×(-10)
= 400–10x-300–10x
= 100–20x …………..(1)
For mimima or maxima, the above equation must be equal to 0.
So, 0 = 100–20x
=> x=5
Let's do the second differentiation of equation (1) and substitute the the value of x I.e x=5
[tex]d^2(y)/d(x^2) = -20[/tex]
The above equation is negative for all values of x which indicates that at x=5 we will have the maximum value.
So, the number of trees for maximum apple will be (30+x)
So, 30+5 = 35 trees per acre will give the largest crop of apple.
Hence 5 additional trees give maximum yield and 35 trees per acre will give largest crop of apple.
Learn more about maxima and minima at:
brainly.com/question/82347
#SPJ1
Given the point (−,), write the coordinates of a point that is related by a reflection over the -axis. Write your answer with a comma and no spaces. Example 7,2 or -7,-2
When a point (x, y) is reflected across x-axis then (x, -y) will be the new point and reflected across y-axis then (-x, y) be the point.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
Graph transformation is the process by which a graph is modified to give a variation of the proceeding graph
Reflection is a process of transformation.
A reflection is a transformation representing a flip of a figure. Figures may be reflected in a point, a line, or a plane.
Let the coordinates of a point be (4, 3).
When the coordinates of a point that is related by a reflection over the x-axis, then the new coordinate will be (4,-3).
(x, y)---->(x, -y)
The reflection of point (x, y) across the y-axis is (-x, y).
(x, y)---->(-x, y)
(4,3) reflection across the y-axis is (-4, 3).
Hence, the reflection of point (x, y) across the y-axis is (-x, y) and reflection of point (x, y) across the x-axis is (x, -y).
To learn more on Graph click:
https://brainly.com/question/17267403
#SPJ1
it would be 180 - 136 right?
Answer:
It would be 180 - 136 = 44
Step-by-step explanation:
Answer:
yes you are correct
Step-by-step explanation:
180-136=44
what are parameters? group of answer choices parameters are measured constructs that vary across entities in the sample. parameters summarize data or relationships in the population and are usually estimated from a sample a parameter tells us about how well the mean represents the sample data. all of the options describe parameters.
The option is: Parameters summarize data or relationships in the population and are usually estimated from a sample.
Parameters are numerical values that describe a population, and they are usually estimated from a sample. Parameters summarize important characteristics of the population, such as the mean, variance, or correlation between variables. These characteristics may vary across different entities in the population, such as individuals, households, or businesses.
In statistical analysis, parameters are important because they allow us to draw inferences about the population from a sample. By estimating parameters from a sample, we can make generalizations about the population and test hypotheses about relationships between variables.
Learn more about statistics here: brainly.com/question/29093686
#SPJ4
**EASY POINTS** There is a circular running path in the park. The diameter of the circle is 350 m. What is the length of one lap around the park?
Answer:
1099
Step-by-step explanation:
350*pi=1099
13 25 4 8 17 21 A number is to be written on the blank card. The mode and median of all seven numbers are both the same. Find one possible number that can be written on the blank card.
Answer:
13 or 17
-------------------
Given numbers:
13, 25, 4, 8, 17, 21Put them in the ascending order:
4, 8, 13, 17, 21, 25Let the possible number to be added be x.
Since x is the median, it should be between 13 and 17:
4, 8, 13, x, 17, 21, 25Also x is the mode. As we see all 6 number are unique, x should be repeat of 13 or 17 in order to be a mode. Therefore the possible number that can be written on the blank card is either 13 or 17.
Someone help me with this equation please!!
The given proof follows the symmetric property of angle congruence. Therefore, option C is the correct answer.
What is the congruence theorem?Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.
Given that,
Statements Reasons
1. ∠ABC≅∠DEF 1. Given
2. m∠ABC=m∠DEF 2. Definition of congruent angles
3. m∠DEF=m∠ABC 3. Symmetric property of equality
4. ∠DEF≅∠ABC 4. Definition of congruent angles
The symmetric property says that if one geometric shape is congruent to another, than the second shape is also congruent to the first. The symmetric property of congruence says that for any angles A and B, if ∠A≅∠B then ∠B≅∠A.
Therefore, option C is the correct answer.
To learn more about the congruent theorem visit:
https://brainly.com/question/24033497.
#SPJ9
After allowing 10% discount on the marked price of a radio, 13% VAT was levied and sold it. If the difference between selling price with VAT and selling price after discount is Rs 1170, find the marked price of that radio
The marked price of the radio is Rs 10000.
How to find the marked price of that radioFrom the question, we have the following parameters that can be used in our computation:
Discount = 10%
VAT = 13%
VAT - Selling price = 1170
Represent the price of the radio with x
Using the above as a guide, we have the following:
Discount = 10% implies 0.9x
VAT = 13% implies 0.9x * 1.13 = 1.017x
So, the difference is
1.017x - 0.9x = 1170
This gives
0.117x = 1170
Divide
x = 10000
Hence, the price of the radio is Rs 10000.
Read more about discount at
https://brainly.com/question/7459025
#SPJ1
Calculate the area of a parallelogram which sides are 8cm 13cm and11cm
Answer:
the answer will be based on which is the base and height, the area of a parallelogram is base×height(bh) so, all you have to do is multiply the base with the height. For example if the base is 7cm, height is 12cm, and the other side is 3cm. The area of the parallelogram from the question will be 84cm²
Find the area of the figure. Use 3.14 for pie
The area of the figure is 254.8 m²
What is area?Area is the region occupied by an object.
How to find the area of the figure?Since the figure is a rectangle and containing two semi-circles, we find the area of the figure by finding the area of the rectangle and the two semi-circles.
What is the area of the rectangle?The area of the rectangle is given by A = LW where
L = length of rectangle and W = width of rectangleGiven that
L = 16 m and W = 12 mA = LW
= 16 m × 12 m
= 192 m²
What is the area of a semi-circle?The area of a semi-circle with diameter d is A = πd²/4
Now for the first semi-circle, its diameter d' = 8 m.
So, its area A' = πd'²/4
= π(8 m)²/4
= π64 m²/4
= 16π m²
= 16 ×3.14 m²
= 50.24 m²
Also, for the fsecond semi-circle, its diameter d" = 4 m.
So, its area A' = πd'²/4
= π(4 m)²/4
= π16 m²/4
= 4π m²
= 4 × 3.14 m²
= 12.56 m²
So, the area of the figure is A₁ = A + A' + A"
= 192 m² + 50.24 m² + 12.56 m²
= 254.8 m²
So, the area of the figure is 254.8 m²
Learn more about area of figure here:
https://brainly.com/question/30317304
#SPJ1
State if the lines are Parallel, Perpendicular, or Neither. 6x-12y=24 4x+2y=8
Answer:
Step-by-step explanation:
The lines are neither parallel nor perpendicular.
Two lines are parallel if and only if they have the same slope. Two lines are perpendicular if and only if the product of their slopes is -1.
To find the slope of a line given in the form of Ax + By = C, we can rearrange the equation into slope-intercept form (y = mx + b), where m is the slope.
The first line, 6x - 12y = 24, can be rearranged into slope-intercept form as follows:
12y = -6x + 24
y = -0.5x + 2
The slope of the first line is -0.5.
The second line, 4x + 2y = 8, can be rearranged into slope-intercept form as follows:
2y = -4x + 8
y = -2x + 4
The slope of the second line is -2.
Since the product of the slopes is not -1, the lines are not perpendicular. And since the slopes are not the same, the lines are not parallel. So, the lines are neither parallel nor perpendicular.
find the quadratic equation whose roots are 5 and -9
The equation of the quadratic equation whose root are 5 and -9 is x² +4x -45
What is quadratic equation?quadratic equation is a second-order polynomial equation in a single variable x ax²+bx+c=0. with a ≠ 0 . Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.
The equation of a quadratic is given as :
x²-(alpha+beta)x + alpha×beta = 0
where alpha and beta are the roots of the quadratic equation.
alpha+beta = 5-9 = -4
alpha × beta = -9× 5 = -45
therefore the equation will be;
x²-(-4)x + ( -45) = 0
x² + 4x -45 = 0
learn more about quadratic equation from
https://brainly.com/question/1214333
#SPJ1
Determine the equation of the circle graphed below?
Answer:
(x + 6)² + (y - 5)² = 16
Step-by-step explanation:
In the function rule p(t) - 700 what does 700 mean in the context of the situation
In the function rule p(t) - 700, the number 700 represents a constant value that is subtracted from the value of the function p(t).
Assuming that p(t) is a function of time t, it is possible that p(t) represents a physical quantity such as the population of a city, the price of a stock, or the number of customers in a store, among other things. If we know what p(t) represents, we can interpret the meaning of 700 in the context of the situation.
For example, if p(t) represents the population of a city, then p(t) - 700 would represent the difference between the population and a reference value of 700. This could mean that 700 is the estimated minimum viable population of the city, or it could represent a reference population for comparison with other cities.
If p(t) represents the price of a stock, then p(t) - 700 would represent the difference between the stock price and a target value of 700, such as a price floor or a strike price.
In general, the meaning of 700 in the function rule p(t) - 700 depends on the specific context of the situation and the physical quantity that p(t) represents.
To learn more about function click on,
https://brainly.com/question/2658016
#SPJ4
sin 20° = ?
tan 20⁰
sin 70⁰
cos 20⁰
cos 70⁰
The sin 20° can be expressed as D. cos 70⁰
How can the angle be determined?We will need to find the value of given angles one after the other . for instance By creating an angle of 70 degrees with the x-axis and then determining the coordinates of the point (0.342, 0.9397) on the unit circle, it is possible to determine the value of sin 70 degrees. The y-coordinate is equal to the value of sin 70°. (0.9397). ∴ sin 70° = 0.9397.
The given angle is
Sin 20° = 0.342
option A;
tan 20⁰ =0.364
Option B:
sin 70⁰ = 0.9397
Option C :
cos 20° = 0.9397.
Option D :
cos 70 degrees = 0.342
Therefore, option D is correct.
Learn more about trigonometic at:
https://brainly.com/question/24349828
#SPJ1
in a game of chance, a fair die is tossed. if the number is 1 or 2, you will win $3. if the number is 3, you win $5. if the number is 4 or 5, you win nothing, and if the number is 6 you lose $2. should you play the game, based on the long run expected amount you would win?
Answer:
Expected amount = $1.50
Step-by-step explanation:
Let's get a couple of definitions out of the way to understand how to compute the expected value given probabilities
Random Variable is a set of possible values from a random experiment.
We usually denote a random variable using the sets of possible values that the variable can take.
When we toss a fair die, the probability of getting a single number = 1/6 since there are 6 possible outcomes
The probability of getting 2 given numbers say 1 or 2 is twice 1/6 = 2 x 1/6 = 2/3 and so on
The expected value of each outcome is the value attached to each outcome x probability of that outcome
As an example, P(1 or 2) = 2/6 = 1/3
Payout = $3
Expected payout = 3 x 1/3 = $1
The table below summarizes the outcomes, probabilities, payouts and expected payouts
Outcome Probability Payout Expected Payout
(Payout x probability)
X = {1 or 2} 2/6 = 1/3 $3 $3 x 1/3 = $1
X = {3} 1/6 $5 $5 x 1/6 = $5/6
X = {4 or 5} 2/6 = 1/3 $0 $0 x 1/3 = $0
X = {6} 1/6 -2$ -$2 x 1/6 = -$2/6
The expected payout in the long run is the sum of the individual expected payouts
= $1 + $5/6 + $0 - $2/6 (5/6 - 2/6 = 3/6)
= $1 + $3/6 (3/6 = $0.50)
= $1 + $0.50
= $1.50
The expected value of the game is $2. This means that if you play the game many times, you can expect to win an average of $2 per game in the long run.
What is Probability?It is a branch of mathematics that deals with the occurrence of a random event.
To determine whether you should play the game, we need to calculate the expected value of the game.
The expected value is the sum of the product of each outcome and its probability.
The outcomes and their corresponding probabilities are:
Win $3 with probability 1/3 (if the number is 1 or 2)
Win $5 with probability 1/6 (if the number is 3)
Win $0 with probability 2/6 = 1/3 (if the number is 4 or 5)
Lose $2 with probability 1/6 (if the number is 6)
Using these probabilities and outcomes, we can calculate the expected value as:
Expected value = (3 × 1/3) + (5 × 1/6) + (0 × 1/3) + (-2 × 1/6)
= 1 + 5/6 - 1/6
= 1.666
= 2
Hence, the expected value of the game is $2. This means that if you play the game many times, you can expect to win an average of $2 per game in the long run.
To learn more on probability click:
https://brainly.com/question/11234923
#SPJ2
the variance in the thickness values of 20 textbooks for this class is 0.0665 (inch)2 with a mean of 1.013 inch. what is the random error in the mean value and the confidence interval for the true mean of populaiton at 95%?
If the variance in the thickness of 20 textbooks is 0.0665 , then the random error in the mean value is ±0.1207 inches and the confidence interval is (1.013 ± 0.1207) inches .
The number of textbooks (number of observations) , n = 20 ;
So , v = n - 1 = 20 - 1 = 19 ;
For v = 19 and 95% confidence interval , we have t = 2.093 ;
The variance (σ²) is = 0.0665 ;
So , σ = √0.665 = 0.258 inches ;
We know that , Random Error (Δ) = tσ/√n = (2.093 × 0.258)/√20
= 0.1207 ;
The mean of the thickness of textbooks is ( [tex]\bar x[/tex] ) = 1.013 inches ;
So , the Random Error in the mean is = ±Δ = ±0.1207 inches ;
and the 95% confidence interval is = [tex]\bar x[/tex] ± Δ
⇒ (1.013 ± 0.1207) inches ;
Therefore , the Random Error is ±0.1207 inches , and the interval is (1.013 ± 0.1207) inches .
Learn more about Confidence Interval here
https://brainly.com/question/24131141
#SPJ4
How many solutions does the system of linear equations represented in the graph have?
Coordinate plane with one line that passes through the points negative 2 comma negative 3 and 0 comma negative 2 and another line that passes through the points 0 comma 3 and 1 comma 1.
a.One solution at (−1, 2)
b. One solution at (2, −1)
c. No solution
d. Infinitely many solutions
The system of linear equations represented in the graph have (b) ne solution at (2, −1)
How to determine the number of solutionsFrom the question, we have the following parameters that can be used in our computation:
The graph
The graph represents two linear functions
The point of intersection of the linear functions represent the solution
In this case, the linear functions intersect at (2, −1)
Hence, it has one solution at (2, −1)
Read more about system of equations at
https://brainly.com/question/13729904
#SPJ1
Answer:
I picked "d. Infinitely many solutions" but it turned out to be wrong lol, so I'm guessing the person above is correct.
What is the value of f(x)=23.2x+2.5 at x =-4.2
Answer:
-94.94
Step-by-step explanation:
f(x)=23.2x+2.5
Let x = -4.2
f(4)=23.2(-4.2)+2.5
=-97.44+2.5
=-94.94
Answer:
Since x = -4.2, just fill it in the equation and solve:
23.2 * -4.2 + 2.5 =
23.2 * -4.2 = -97.44
-97.44 + 2.5 = -94.94
f(x) = -94.94
Step-by-step explanation:
Hope it helps! =D
Hope it ain't wrong either. If so, I'm sorry.
what is the period of the function f(x) shown in the graph?
Answer:
8π
Step-by-step explanation:
The period of a function f(x) is the x-distance between two repeating points of the function
Looking at the function graph given we see that the function reaches a peak value(called amplitude) at x = -6π and then again reaches this value at x = 2π
So the x-distance is 2π - (-6π) = 2π + 6π = 8π
From 2π, the function reaches its maximum value again at 10π giving the period once again as 10π - 2π = 8π
Which of the following titles is most likely a compare-and-contrast essay?
A. Living on the West Coast and Why I Like It
B. East Meets West: Natives’ Perspectives
C. Traveling on the West Coast
D. Problems with Living on the East Coast
B. East Meets West: Natives’ Perspectives is most likely a compare-and-contrast essay because it is directly comparing the perspectives of people from the East and West coasts. The other titles are more descriptive or subjective in nature, rather than focused on comparing and contrasting two different things.
suppose that the proportions of blood phenotypes in a particular population are as follows: a b ab o 0.42 0.14 0.05 0.39 assuming that the phenotypes of two randomly selected individuals are independent of one another, what is the probability that both phenotypes are o? (enter your answer to four decimal places.)
The probability that both phenotypes are o is 0.1600
Events classified as independent do not depend on other events for their occurrence. For instance, if we toss a coin in the air and it lands on head, we can toss it again and this time it will land on tail. Both instances include independent occurrences of the two events.
In a probability notation, events and are independent if ( ∣ ) = ( ) . Events and are independent if and only if ( ∩ ) = ( ) × ( ) . If and are dependent events, then ( ∩ ) = ( ∣ ) × ( ) .
the proportions of blood phenotypes in a particular population are as follows: a b ab o 0.42 0.14 0.05 0.39 so for o the value is 0.40 so we put it and slolve .
The samples are independents, so:
P(O1∩O2) = P(O1).P(O2) = 0.40*0.40=0.1600
know more about independent events in probability click here;
https://brainly.com/question/13307696
#SPJ4
at 12 noon the count in a bacteria culture was 400; at 3:00 pm the count was 1200. let p(t) denote the bacteria count at time t and assume that the culture obeys the population growth law. what was the bacteria count at 9 am, rounded off to the nearest bacterium?
At 12 noon the count in a bacteria culture was 400, at 3:00 pm the count was 1200. The bacteria count at 9 am, rounded off to the nearest bacterium, was 255.
The problem involves finding the bacteria count at 9 am, given the counts at 12 noon and 3 pm, and assuming that the bacteria culture obeys the population growth law.
To solve the problem, we use the population growth law, which states that the rate of growth of a population is proportional to the size of the population at any given time. This can be expressed as a differential equation, and its solution gives the population as a function of time.
Assuming the bacteria culture grows exponentially between 9 am and 3 pm, we can use the population growth law to find the bacteria count at 9 am. Let the initial count at 9 am be denoted by P, and let the growth rate be denoted by r.
Then we have:
P * (1 + r)^3 = 1200
Solving for P, we get:
P = 1200 / (1 + r)^3
Similarly, assuming the bacteria culture grows exponentially between 12 noon and 3 pm, we have:
400 * (1 + r)^3 = 1200
Solving for r, we get:
r = (1200/400)^(1/3) - 1
Plugging this value of r into the equation for P, we get:
P = 1200 / (1 + (1200/400)^(1/3) - 1)^3
Using a calculator, we get:
P ≈ 255
To learn more about population growth click on,
https://brainly.com/question/29081179
#SPJ4
? a retailer entered into an exclusive agreement with a supplier who guaranteed to provide all products at competitive prices. the retailer eventually began to purchase supplies from other vendors who offered better prices. the original supplier filed a lawsuit claiming violation of the agreement. in defense, the retailer had an audit performed on a random sample of 25 invoices. for each audited invoice, all purchases made from other suppliers were examined and compared with those offered by the original supplier. the percent of purchases on each invoice for which an alternative supplier offered a lower price than the original supplier was recorded.26 for example, a data value of 38 means that the price would be lower with a different supplier for 38% of the items on the invoice. a histogram and some computer output for these data are shown below. explain why we should not carry out a one-sample t test in this setting
A one-sample t-test should not be carried out in this setting because the data is in the form of a frequency distribution and is not continuous, and the distribution is not normal.
In statistics, a one-sample t-test is used to determine whether a sample mean is significantly different from a known population mean. However, in this scenario, the data collected and analyzed is in the form of a frequency distribution, where the percent of purchases for which an alternative supplier offered a lower price was recorded.
A frequency distribution shows the number of times a particular value or range of values occurs in a dataset. In this case, the frequency distribution shows the number of invoices that had a certain percentage of purchases for which an alternative supplier offered a lower price. This type of data is not suitable for a one-sample t-test because a t-test requires continuous data, which is not the case here.
Furthermore, a one-sample t-test assumes that the data is normally distributed. A histogram of the data in this scenario shows that the distribution is not symmetrical and does not resemble a normal distribution. Therefore, carrying out a t-test would not be appropriate.
To know more about frequency here.
https://brainly.com/question/28931302
#SPJ4
Arithmetic sequences calculator
This online tool can help you find n^th term and the sum of the first n terms of an arithmetic progression. Also, this calculator can be used to solve much more complicated problems. For example, the calculator can find the common difference (d) if a5=19 and s7=105. The biggest advantage of this calculator is that it will generate all the work with detailed explanation
An arithmetic sequence calculator is a tool or program that can be used to find the terms of an arithmetic sequence, given the first term and the common difference. The "nth term" of an arithmetic sequence refers to the term in the sequence that is in the nth position.
An arithmetic sequence calculator is a tool or program that can be used to find the terms of an arithmetic sequence, given the first term and the common difference. The common difference is the value that is added to each term in the sequence to obtain the next term. Given these two values, the calculator can generate the entire sequence of terms. Some calculators may also be able to find the first term and common difference from a given set of terms, as well as other properties of an arithmetic sequence, such as the sum of the terms, the nth term, etc. The "nth term" of an arithmetic sequence refers to the term in the sequence that is in the nth position. In other words, it is the term that corresponds to the number n in the sequence. The nth term can be calculated using the formula for the nth term of an arithmetic sequence, which is given by: a_n = a_1 + (n-1)d. where a_1 is the first term of the sequence, d is the common difference, and n is the position of the term that we want to find. For example, if the first term of an arithmetic sequence is 3, and the common difference is 2, then the nth term can be found by plugging in the values of a_1, d, and n into the formula.
To learn more about arithmetic sequence click here
brainly.com/question/10694174
#SPJ4
Complete Question
What is Arithmetic sequences calculator and what is nth term?
Two joggers run 8 miles and then 5 miles west. What is the shortest distance, to the nearest tenth of a mile they must travel to return to their starting position?
Answer:
A. 9.4 mi
Step-by-step explanation:
Sketch a right triangle with legs of 8 and 5. Shortest distance back to the starting point is the hypotenuse (h) of the triangle:
h² = 8² + 5² = 89
h = √89 = 9.43 mi
in a normal distribution with a mean of 90 and a standard deviation of 5, which of the following scores lie within one standard deviation of the mean? select one: a. 5-90 b. 80-100. c. 85-95. d. 90-95.
The range of 85-95 is within one standard deviation of the mean in a normal distribution with a mean of 90 and a standard deviation of 5,the correct answer is c. 85-95.
The normal distribution is a bell-shaped curve that is centered around the mean and symmetrical about the mean. In a normal distribution with a mean of 90 and a standard deviation of 5, one standard deviation of the mean would be 85-95. This means that any score within this range is within one standard deviation of the mean.
To calculate this, we first look at the mean, which is 90. To find the value of one standard deviation from the mean, we need to subtract 5 from 90 to get 85. To find the upper limit of one standard deviation, we add 5 to 90 to get 95. Therefore, any score between 85 and 95 is within one standard deviation of the mean.
To summarize, any score within the range of 85-95 is within one standard deviation of the mean in a normal distribution with a mean of 90 and a standard deviation of 5. Therefore, the correct answer is c. 85-95.
Learn more about standard deviation here:
https://brainly.com/question/23907081
#SPJ4
A wellness director at a company in New York City wants t0 investigate whether it is unusual for one person working in the city who wears an activity tracker to record approximately 8,500 steps on typical workday: Is it appropriate to use the confidence interval found in part (a) to conduct the investigation? Explain your answer: In the STATE, DO, PLAN, CONCLUDE
The population mean, 9,009, 10,585 employees, and 9,009, 10,585 steps are the solution.
What is mean?A dataset's mean is the sum of all values divided by the total number of values, often known as the arithmetic mean (as opposed to the geometric mean). Often referred to as the "mean," this is the most often used measure of central tendency.
The term "activity tracker" refers to gadgets, including watches and bands, that record your physical activity, such as walking, jogging, and skipping. They only count your steps and inform you of your daily objectives. They are quite useful for tracking blood pressure and other things.
The 95% confidence interval between 9,009 and 10,585 steps was used to estimate the mean number of steps taken by City employees.
The likelihood of the various values may be estimated using the confidence interval. It may be utilised to derive conclusions about the population mean.
To know more about mean visit:
https://brainly.com/question/30094057
#SPJ1
-36<-3x-9 or -42≥-3x-9
Step-by-step explanation:
= 9>x or. = 11<x.
Here is the answer