According to Wealth committee data, 0.15% of people have anemia. If 2000 people are randomly selected, find the probability that number of sick people will be a) exactly 2, b) greater than 2.

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 yellow ​balls, 6 brown…

A: It is given that the number of yellow balls is 8, brown balls is 6 and black balls is 6.

Q: 1. There are 52 playing cards (2 pts)

A: Note: As per answering guidelines I have to answer only one question at a time.Please repost the…

Q: If there were a 1000 runners in a race, how many of them got a z score of 3 or better for the race

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Q: 4. Calculate the mean deviation from the following data. What light does it throw on the social…

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Q: You must use an appropriate formula as part of your work for every calculation problem. Answer the…

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Q: You spin the spinner, flip a coin, then spin the spinner again. Find the probability of the compound…

A: Given that, You spin the spinner, flip a coin, then spin the spinner again.

Q: Probability Island You will collect the data for the population of an island community. Then you…

A: The obtained number of births data is as follows Year Total boys (B) Total girls (G) Total births…

Q: The island of Yapoah grows two types of potatoes: red and purple. You wonder if the purple potatoes…

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Q: 02: suppose that X, .X, a random sample of size n from the normal distribution N(4,a"), where the…

A: Given Information: H0:σ2=σ02 H1:σ2>σ02 Critical region is defined as n-1s2σ02≥c Sample size n=13…

Q: Assumed a source produces only two digits ("1" and "0") with probabilities of 0.6 and 0.4,…

A: Given: P(1)=0.6P(0)=0.4number of digit (n)=5 Here sample size and probability is fixed we use…

Q: probability

A: Tree Diagram: It represents all the possible outcomes of an event in a tree format. It starts with a…

Q: 7.A bakery uses 2000 raisins to make 100 loaves of bread. Let X be the number of raisins of each…

A: Given Data : sample size,n= 2000 probability,p= 0.01

Q: A problem in statistics is given to three students whose chances of solving are 2, and 4…

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Q: The lifetime of an electronical component is to be determined; it is assumed that it is an ex-…

A: Let us consider X be the lifetime of an electronical component follows Exponential distribution with…

Q: (a) in testing hypotheses, which of the following would be strong evidence against the null…

A: We have given the following statements about the hypothesis.  Note: According to Bartleby expert…

Q: Kristine Mae was trying to guess the month of her brother's birthday; she knew that the month…

A: The number of months in a year is 12.

Q: These are the times, in seconds, that 15 members of an athletics club took to run 800 metres. 139…

A: 1)

Q: Kaitlin has a bag with 8 balls numbered 1 through 8. She is playing a game of chance. This game is…

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Q: In a group of n people, (a) what is the probability that two or more persons will have the same…

A: In a group of n people, We need to find the probabilities:- a). Two or more persons will have the…

Q: Homework 1- The joint probability density function of random variables (X,Y) is given by: fxy(x,y) =…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted...…

Q: In a Business Statistics class, there are 15 girls and 11 boys. On a test 2, 9 girls and 6 boys made…

A: Given: In a business statistics class there are 15 girls and 11 boys on a test 2, 9 girls, and 6…

Q: From purchase to purchase, a particular customer switches brands among products A, B, C according to…

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Q: Assume that the distribution for the following scenario is normal. Use the standard normal table to…

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Q: 5 Recording Help A bookshelf holds 24 mysteries, 12 non- fichion books, and 4 biographie. What is…

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Q: Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation 2.2…

A: Given that.   X~N( μ , ?^2 )   μ=17.5     , ?=2.2   , n=30   Z-score =( x - μ )/?

Q: Find the mean, median, and mode(s) of the data. Do not round. 48, 12, 11, 45, 48, 48, 43, 32

A: Given : Find the mean, median, and mode of the data. 48, 12, 11, 45, 48, 48, 43, 32

Q: . C(12,6) ? e. C(8, 4) × C(4, 2) ? f. C(8,4)×C(4,2) / C(12,6) ?

A: We have given that the different problems. Here, need to find out the values of given problem.   The…

Q: An 8-sided die with faces labeled 1 to 8 will be rolled once. The 8 possible outcomes are listed…

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Q: nin nax D1 26 91 nin мах D2 14 89 nin nax D3 37 67 10 20 30 40 50 60 70 80 90 100 Which of the…

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Q: At a university,a professor is interested in whether the size of tableware influences how much…

A: Since, we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…

Q: elsewhere. 1.1. Show that Y(n) = max(Y,, Y2, ., Yn) is sufficient for 0. 1.2. In Question 1.1, it…

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Q: The Rosedale Thunders hockey team has 6 players who can play goalie and 8 (different) players who…

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Q: An amateur drama group has volunteers who are able to help with the following jobs: 15 for backstage…

A: Given Information: 15 volunteers for backstage work 20 to work the lights 11 for the box office 6 to…

Q: nts) the table below shows the number of books the Jefferson Middle school students read each month…

A: Given information: Months=September, October, November, December, January, February, March, April,…

Q: wo discrete independent random variables X and Y are such that X can take values 2,3,5 and Y can…

A: It is given that Two variables X and Y are independent then P(X = x, Y = y) = P(X = x).P(Y = y)

Q: The table below lists the frequency of wins for different post positions in a horse race. A post…

A: Claim : The likelihood of winning is the same for the different post positions.

Q: asked all the civilians to place their socks all in one containe selected 6 pieces of socks. Given a…

A: If 12 civilians are wearing the socks there are 24 counts of socks Among 24 socks only 6 are…

Q: The average raintall, recorded to the nearest hundredth of a centimeter, in New York City, for the…

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Q: In a random sample of males, it was found that 25 write with their left hands and 218 do not. In a…

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Q: Distinguish what the experimental probability is of the player getting a hit. Show all of your work.

A: It is given that  The favourable number of cases = 15 Total number of cases = 45

Q: A researcher would like to estimate the mean amount of money that a family spends to within $28. If…

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Q: 9. Red blood cell deficiency may be determined by examining a specimen of the blood under a…

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Q: Find P(x)= E(X), E(X²) for 5 ( ²² ) [2X-X²] {1+) other the ocx cz

A: Given function isp(x)={342x-x2      0<x<20                          otherwise

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Q: A bin contains marbles numbered 1 through 9 A marble is randomly selected from the bin and returned…

A: Given that  A bin contains marbles numbered 1 through 9 . A marble is randomly selected from the bin…

Q: Wilfred’s expected utility function is  px1^0.5+(1−p)x2^0.5, where p is the probability that he…

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Q: In a communication network, messages are received one at a time and checked for errors. It is known…

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Q: he International Average Salary Income Database provides a comparison of average salaries for…

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Q: Find a confidence interval for u or p. a. A random sample of 14 adults participated in a four-month…

A: a) Given : Sample Size, n = 14 Sample Mean, x̄ = 10.3 sample standard…