A group of 12 analysts predict the earning per share of company X to be 1.40,1.40,1.45, 1.49, 1.37, 1.27, 1.40, 1.55, 1.40, 1.42, 1.49, and 1.71. a. Compute the sample variance b. Compute the sample standard deviation c. Compute the 95 percent confidence interval on the population variance

Q: Find the percentile for the data point Data set: 124 136 128 122 130 132 122 120 127 124 128 138 120…

A: Ans#- Data set: 124, 136, 128, 122, 130, 132, 122, 120, 127, 124, 128, 138, 120, 124, 126, 121;…

Q: Let `U` be the universal set, where: `U = { a,b,c,d,e,f,g,h,i }` Let sets `A`, `B`, and `C` be…

A: Venn diagram is used to explain the different set of events. It explain the similarity and…

Q: A survey was given asking whether they watch movies at home from Netflix, Redbox, or a video store.…

A: Given,55 only use Netflix 65 only use Redbox 9 use only a video store and Redbox  15 only use a…

Q: The correct arithmetic mean is 59.25 O 60.5 O 61.25 O none of all above O

A: It is given that the data of 100 students’ score recorded. Arithmetic mean = 60 Standard deviation =…

Q: What percent of all small companies receiving questionnaires responded? a. 12.5% b. 20.8% c. 33.3%…

A: Small Medium Large Total Yes 125 81 40 246 No 75 119 160 354 Total 200 200 200 600

Q: On a quiz show, a contestant stands at the entrance to a maze that opens into two rooms, labeled A…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Probability Scores 0.1 0.35 0.2 0.2 0.15 0 3 5 14 Find the expected value of the above random…

A:

Q: Q5) b) In an advertising award, there are 3 winners out of 100 cards. If a person purchases 13…

A: n be the sample size=100,  3 cards winner out of hundred Let X be the number of purchase cards…

Q: Derive the standard error of ß, se (ß) = 0.0009, using MLE approach. Find an approximate 95%…

A: Firstly it is required to determine the MLE of the parameter and then the variance to get the…

Q: Seat Designs. In Exercises 7-9, assume that when seated, adult males have back-to-knee lengths that…

A: From the provided information, Mean (µ) = 23.5 Standard deviation (σ) = 1.1 X~N (23.5, 1.1)

Q: In a certain country, the true probability of a baby being a girl is 0.473. Among the next eight…

A: It is given that the probability of a baby being a girl is 0.473.

Q: X P(X=x) 1 1/12 2 k 3 1/4 4 1/2

A:

Q: The Venn diagram here shows the cardinality of each set. Use this to find the cardinality of e-…

A: Answer:- Given Venn diagram here shows the cardinality of each set                A = { 14, 5, 3, 4…

Q: Based on the transition matrix and associated diagram below: This year ABCD 0.2 0 50 0.70 0 0 Next…

A: Age structured matrix models are a common tool to study the demographics of the future by tracking…

Q: Probability Scores 0.1 0.35 0.2 0.2 0.15 0 3 5 14 Find the expected value of the above random…

A:

Q: Draw the Venn Diagram of the sample space.

A: Given: A denotes that student enrolled in a calculus course  B denotes that student enrolled in a…

Q: i) Find the conditional distribution of the likelihood function given the function of the statistic,…

A:

Q: All 5 members of a family work. Their hourly wages (in dollars) are the following. 17, 17, 20, 28, 8…

A: Given: Population size N = 5 Formula Used: Standard deviation = ∑Xi-μ2N Mean μ = ∑XiN

Q: Given a variable that has a t distribution with the specified degrees of freedom, what percentage of…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Are the following ethical violations, confounds, or none? 1. There are 200 people in an experiment.…

A: Given information: 1) There are 200 people in an experiment. The first 100 people to show up are in…

Q: tandard deviation = 2.89 millimeters (Round the answer to 2 decimal places.) If the length…

A: Given that  Probability density function (pdf) f(x)=0.1  , 1200 to 1210

Q: b) Suppose that a South African Broadcasting Corporation (SABC) official wants to conduct a survey…

A: The provided information are: Margin of error(E)=3%=0.03Confidence level=95%Sample…

Q: Here is a data set summarized as a stem-and-leaf plot: 6# | 23444599 7# | 0001123444566789 8# |…

A: The stem-and-leaf plot is given.

Q: large population of 5,000 students take a practice test to prepare for a standardized test. The…

A: given data  N = 5000μ = 140σ = 80for σx¯ = 10 ; n = ?

Q: Which of the given values is a solution to the equation -8d + 2 = -40d + 2? Select the correct…

A: The following equation has been given: -8d+2=-40d+2 We need to compute the value of d.

Q: A survey showed that 8% of Internet users age 18 and older report keeping a vlog. Referring to the…

A: It is given that 8% of internet users of age 18 and more are vloggers. Thus, the percentage of…

Q: 3. For the given sets, fill out the Venn Diagram and use it to determine the sets below. The…

A: Given U=universal set={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14} A={0,3,4,7,11,13,14}…

Q: P(more than 1 defective part per box) (Round to three decimal places.)

A: From given data we have : n=10 p=3%=0.03

Q: suppose random variable x follows a Poisson distribution with t=3 and labda =5. what is Var[X]?

A: given data  poisson distribution t = 3λ = 5var(x) = ?

Q: or graph paper. Average hourly earnings in the U.S. retail trade industry (in current dollars and…

A: The data represents the average hourly earnings in the U.S retail trade industry. There are two…

Q: c) A research conducted by SSTA022 Class representative at the University of Limpopo indicates that…

A:

Q: In a normal distribution, x = 5 and z = –1.25. This tells you that x = 5 is ____ standard deviations…

A: Suppose the variable of interest is x.

Q: Name, height of Redwood tree (m) 35.00 30.00 25.00 20.00 15.00 10.00 5.00 0.00 0.00 E 5.00 10.00…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The interval from -2.4 to 1.73 captures an area of 0.95 under the z curve. This implies that another…

A: We have given that the interval is from -2.4 to 1.73 capture an area of 0.95 under z-curve And…

Q: child has 20 deciduous teeth. Two of her teeth are decayed. Given that this is all you currently…

A: Given that Total teeth = 20 Decayed teeth = 2

Q: Q2) a) What would be the predicted value ?of if is 12.5 24.368 O 24.379 O 24.452 O none of all above

A: It is given that the data of two random variables X and Y. Here, need to find out the regression…

Q: The given data set is: 10 19 55 16 7 19 Find the median. 22

A: Median:   It represents the middle value for any given data set.   There are two cases arises.…

Q: Would you expect distributions of these variables to be uniform, unimodal, or bimodal? Symmetric or…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A research conducted by SSTA022 Class representative at the University of Limpopo indicates that…

A: There are two independent samples which are active and inactive African men. We have to test whether…

Q: The following are distances (in miles) traveled to the workplace by 5 employees of a certain…

A: Given that data  40, 31, 14, 29, 6

Q: Determine if the statement is True or False. If a statement is false, explain why. {1, 8, 6, r} =…

A: We have given that two sets such that  {1, 8, 6, r} = {6, r, 1, 8} We have to explain whether it is…

Q: A popular theory is that presidential candidates have an advantage if they are taller than their…

A: The question is about paired t test Given :   To find : To test the claim that popl. of height of…

Q: i) Derive the standard error of 3, se() = 0.0009, using MLE approach.

A: Firstly it is required to determine the MLE of the parameter and then the variance to get the…

Q: Question Which of the given values is a solution to the equation 7c+5=-7c-2? Select the correct…

A: Ans#- Which of the given values is a solution to the equation 7c + 5 = -7c - 2

Q: Using deductive reasoning and the regions of a Venn Diagram, determine whether the following…

A: Here in this question, we need to determine whether the following statement is true or not.  The…

Q: X y Q2) If the following data set obey linear regression equation 3 42 4 38 5 31 9 28 11 29 What…

A: Data given X Y 3 42 4 38 5 31 9 28 11 29

Q: Send data to Excel Arrange the leaves in order from smallest to largest. Stems 2 K Leaves None

A: It is given that the discrete data of a class of 20 students completed a math test.

Q: (o, elsewhere Find the value of c such that an interval from x to cx is a (1 − a)100% confidence…

A:

Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: given data n = 200x = 16claim:p≥0.10α = 0.01p^ = 0.08

Q: Let the Universal set be the letters a through j: U = {a, b, ..., i, j}. Let A = {b, c, e, i}, B =…

A: GivenUniversal set U={a,b,c,d,e,f,g,h,i,j}LetA={b,c,e,i}B={c,d,e,i}C={c,g,i,j}