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: (b) Interpret the results. Select all that apply. O A. The average hurricane is approximately…

A: From the given histogram :  (a) Our aim is to interpret the results.

Q: Carly was collecting frog length for frog jumping club. She collected the data below. She was…

A: The provided frog length data appears to exhibit characteristics of a distribution that is somewhat…

Q: a. What is the distribution of X? X ~ N( b. Find the probability that a randomly hit fly ball…

A:

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: e sample variance and standard deviation. ent spends 2 additional in class hours on the viation of…

A: (a) The time spend outside the class on a project by the group of students is as follows.…

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: 3. Find the mean and variance of the random variable using the values in the table below. f(x) 0.25…

A: For the given data Find Mean =? variance =?

Q: Ch 8 FRQ The distribution of average speeds of the top 53 drivers in NASCAR is roughly symmetric,…

A: We have given that the distribution of average speeds of top 53 drivers in NASCAR is roughly…

Q: 21. Let x be the number of candies inside a 1-pound candy box. If in a randomly selected boxes, the…

A: 21) Given probability distribution table is,x100105110P(x)0.030.910.06Using formulas,Mean, Variance,…

Q: Assume it is known that 45% of people who live in Paris feel traffic is a critical issues. What is…

A: There are many situations in which every individual member of the populations can be classified into…

Q: The accompanying histogram shows the voter turnout (as a percentage) of 211 towns in a certain…

A: A histogram is given.

Q: Find variance & standard deviation for x & y.  x      y 3      8 6      2 7      2 14    2 10…

A:

Q: FIND THE P VALUE GIVEN THIS DATA   The total time (in minutes) a subject spent on the Trail…

A: Given, n1 = 41            n2 = 49x1 = 104.23      x2 = 62.24 s1 = 45.45        s1 = 16.34Level of…

Q: 6 The amounts of time students in a d spent doing homework one night are shown in the stem and leaf…

A:

Q: Find the value of Pif the mean of the following distribution is 12. 12 5 7 P 11 13 6 8 15 9 8 4 f:

A:

Q: et s say you are a sandwich artist, and you want to calculate how tall your customer's sandwich…

A: Given data is appropriate for measures of central tendency. so, for the given data we need to find…

Q: The records of Yellowstone. Trucks reveal that the mean life of a set of spark plugs is 22,100 plug…

A: The random variable life of a set of spark plugs follows normal distribution. The sample size is 18.…

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

A: XF15218324416

Q: Frequency The table shows the magnitudes of the earthquakes that have occurred in the past 10 years.…

A: Enter the data in Excel.

Q: K The table below shows the frequency distribution of the rainfall on 52 consecutive Fridays in a…

A: The frequency distribution table displaying the rainfall on  consecutive Fridays in a certain…

Q: Analyze the two distributions below. Which statement best describes the distributions? 5a 5b 200 400…

A:

Q: Find the median for the data items in the given frequency distribution. Score, x Frequency, f 4 6. 7…

A: We have given that,  x      f 1     42     13     34     25     26     37     58     2 Then,  We…

Q: FYI: This question is for a Psychology 226 course, Statistical Methods in Psychology  You are told…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

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

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: Find the mean find the variance  find the standard devi

A: From the given graph, the probability mass function is written as follows:…

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: 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: Binomial distribution probability is based on a. Mean and standard deviation Ob. Number of trials…

A: The binomial distribution is a discrete probability distribution.

Q: A represents the distribution of a variable. histogram frequency numerical pie chart random…

A: A histogram represents the frequency distribution of a numerical variable

Q: ← Suppose that you take an exam with 391 possible points and are told that that mean score is 270…

A: Mean() = 270Standard deviation () = 22

Q: ed the direct ans

A: mean = n*p = 20 variance = n*p*q = 7

Q: A B The above figure shows a simple activity diagram for completing a task. The Task ended at C…

A: Assuming that The distribution of time taken to go from A to C, A to B, and B to C is normally…

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: Samples are drawn from a population with mean 56 and standard deviation 23. Each sample has 8…

A: Given: Mean = μ = 56 Standard deviation= 23 n = 8

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: A taxi company operates in two different regions, and it is analyzing the prices of rides in those…

A: Given histogram,

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

A:

Q: The table below shows relative frequency distribution for 50 employees working in a small…

A:

Q: The value of Pif the mean of the following distribution is 12 æ: 6 5 7 P 11 13 f: 6 8 15 9 8 4 is O…

A: