Var Adn Cater Graded Assignment 3 ue: 08/01 Plesse, show your work ond write your answers in full sentences Name 1 Complete the chart to construct the probability distribution and find the mean, variance, and standard deviation of the probability distribution Computers The number of computers per household in a small town Computers () Households Ply x-A (x-HY(x- Pix) 261 300 400 1 21 2 200 100 a) Find the mean x.P(x)) e ) aC0 P(x) b) Find the variance x- 21 l Bar Find the standard deviatione V (x-P(x) 1f3)

Q: The waiting times between a subway departure schedule and the arrival of a passenger are uniformly…

A: Given  X~U(0,7)  We want to find the probability  P(X>3.25)= ?

Q: Fitness Machine A fitness center bought a new exercise machine called the Mountain Climber. They…

A: To find: 1.Mean 2.Variance 3.Standard deviation

Q: Editing Adobe In 1940 the average size of a U.S. farm was 174 acres. Let's say that the standard…

A: Provided data is, in 1940 the average size of a U.S. farm was 174 acres, the standard deviation was…

Q: mean - 41 kg sd ? akg Suppose we tate rundom s ample of 25 male patients From this population and…

A:

Q: Finding the mean, median, and mode of the following data. (Give your answer to one decimal places if…

A: we have to find mean, median and mode for given data. class frequency 0-5 2 5-10 3 10-15 4…

Q: X=21 christmas cards N= 7  standard deviation  Find probability that Americans will recieve no…

A: Given that x=21 S.d=7

Q: 1 The figure at the bottom of the page shows the probability density of colony diameters (in mm) in…

A: Basic concepts of normal probability distribution area property are used ND the graph above…

Q: Analysis of Heart Rate For fun a medical school professor once made a class of med students jump up…

A: Use Stat Crunch for the given data to find the mean, median, and standard deviation.

Q: When Jack goes bowling, his scores are normally distributed with a mean of 115 and a standard…

A: Mean(μ)=115 Standard deviation(σ)=11

Q: Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 0.…

A: a). The table shows the calculations for the mean: X p(X)p(X) X \cdot p(X)X⋅p(X) 0 0.653 0\cdot…

Q: Both A and B please

A: Step 1: a) Suppose the random variable x defines the category of hurricanes that have hit the…

Q: The standard deviation of a probability distribution is a measure of: the shape of the distribution…

A: We will solve the following

Q: The numbers of courses taught per semester by a random sample of university professors are shown in…

A: In this case, x defines the number of courses taught per semester and f is the number of professor…

Q: Consider the following two independent random variables, X and Y. Random variable X has a mean of 27…

A: Given Information: There are two independent random variables X and Y. X has a mean of 27 and a…

Q: Translation Calculate the standard deviation of the following results: 20,19,18,10,15,14

A:

Q: Obtain the standard deviation of the random variable.

A: First we have to calculate the E(Y2) to find the variance and then standard deviation. It is given…

Q: fic Accidents The county highway department recorded the following probabilities for the number of…

A: Let X be the number of accidents per day on a certain freeway for one month.The…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: The total number of observed order that are given in the table are Total orders =…

Q: The table below shows the probability distribution of the random variable X. a. Find the mean of the…

A: Given information: x ​P(X=​x) 1 0.2 2 0.1 3 0.7

Q: Pupils Per Teacher The frequency distribution shows the average number of pupils per teacher in some…

A: The question is about frequency distribution.Given :

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Table ABCDTotal order accurate331267268124990order not accurate30594020149Total3613263081441139

Q: Thompson and Thompson is a steel bolt's manufacturing company their current steel boats have a  Mean…

A:

Q: We have provided a normal probability plot of data from a sample of a population. In each case,…

A:

Q: Pizza Deliveries A pizza shop owner determines the number of pizzas that are delivered each day.…

A: x          Px           x.Px35         0.1               3.536         0.1               3.637…

Q: The following frequency distribution analyzes the scores on a test. Find the mean, standard…

A: Given data and calculation is shown Scores(x) Number of students(f) fx fx2 10 2 20 200 15 8…

Q: Fitness Machine A fitness center bought a new exercise machine called the Mountain Climber. They…

A: From the provided information,The probability distribution is as follow:X01234P (X)0.20.20.10.40.1

Q: Example. both SAT and ACT scores' distributions are mound shaped Mean 1000, Std. Dev. of 200 Mean…

A: z-score:X follows a distribution that has mean µ and standard deviation σ. It is the number of…

Q: ces S in Tools A census collected data on everyone that lived who has four children. Its probability…

A: Given that  Probability distribution.  X 0 1 2 3 4 P(X=x) 0.0857 0.2447 0.3208 0.2415 0.1073

Q: A phenomenon is observed many, many times under identical conditions. The proportion of times a…

A: The chance of occurrence of an event is termed as a probability. It is also known as proportion.

Q: Normal distribution is where the mean and median are the same as what? O Z-score Mode Standard…

A: Solution-: Normal distribution is where the mean and median are the same as what? (a) Z-score (b)…

Q: ction 2. Suppose that you work for a government sector for water resources management. Your section…

A: X~N( μ , ?)μ=138      , ?=46Z-score =( x - μ )/?

Q: data on the nght represent the number of live multiple-delivery births (three or more babies) in a…

A:

Q: A population has a mean u= 89 and a standard deviation o = 18. Find the mean and standard deviation…

A: Random Sampling: if a sample is drawn from a given population in such a manner that each member of…

Q: Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 1 4…

A:

Q: A phenomenon is observed many, many times under identical conditions. The proportion of times a…

A: A phenomenon is observed many, many times under identical condition.