a. Gary Schwartz is the top salesman for his company. Records indicate that he makes a sale on 70% of his sales calls. If he calls on four potential clients, what is the probability that he makes exactly three sales? What is the probability that he makes exactly four sales? b. If 10% of all disk drives produced on an assembly line are defective, what is the probability that there will be exactly one defect in a random sample of five disk drives? What is the probability that there will be no defects in a random sample of five disk drives?

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x   ;…

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A: From the provided information, A sample of 4 different calculators is randomly selected from a group…

Q: About 2.5% of Canadians have blood type AB. If 25 Canadians are selected randomly, find the…

A: Given: n = 25 p = 2.5% = 0.025 q = 1-0.025 = 0.975 Formula Used: P(X=x) = Cxnpxqn-x

Q: One day, 17 cars were parked at H Tower. a. What is the probability that there are 10 or less cars…

A:

Q: A survey of top executives revealed that 29% of them regularly read Time magazine, 22% read…

A: The answer is attached below,

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A: 1. The total number of trials made by Kyle is represented by the number of at-bats which is equal to…

Q: Suppose that in the bookkeeping operation of a large corporation the probability of a recording…

A: Givenp=0.005n=1000Let "x" be the billings contain a…

Q: Based on a Bellowes survey of adults, there is a 0.48 probability that a randomly selected adult…

A:

Q: On-Time Airlines. The Office of Aviation Enforcement and Proceedings (OAEP) publishes important…

A: a. The probability of all flights arriving at U.S. airports is 0.76 and the number of arrivals in…

Q: 2. Mary Peterson works at a local bank. She finds that sixty percent of all loan request received…

A:

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A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: 3. At the time of the Avery case, there were 165,814 African-Americans in the Fulton County…

A: Suppose there is a finite population of size N that contains exactly K objects that has a specified…

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A: From the provided information,41% of the United States was found to be Independent in political…

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: It is given that n=100 and p=0.54.

Q: A company receives 65% of its orders over the Internet. Within a collection of 18 independently…

A: Given data, n=18 p=65%=0.65 P(X≤4)=?

Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

Q: 1. Reports suggest that 62.6%% of United States' homes have a fireplace, 36.5% have a garage and…

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

Q: A manufacturing machine has a 55% defect rate. If 103 items are chosen at random, answer the…

A: Sample of size(n)=103Probability of success=p=0.55

Q: Out of 114 pet owners, 69 own dogs, 53 own cats, and 39 own both dogs and cats. If we randomly…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

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A: Given Total number of single parent in us military=87 thousands

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A: Given information: The distribution of the U.S. population by race and ethnicity is: White: .601…

Q: 4. According to the South Carolina Department of Mental Health web site, for every 200 U.S. women,…

A: given dataone out of 200 suffer from anorexia∴ λ = 1200t=n=600 people group∴ λt = 1200*600 = 3p(x=X)…

Q: . What is the probability that 187 or more of the sample will approve of President Biden’s andling…

A:

Q: A university found that 30% of its students withdraw without completing the introductory statistics…

A: Note:- Since you have posted a question with multiple subparts we will provide solutions only to the…

Q: Suppose that 68% of people are left handed. If 24 people are selected at random, what is the…

A: Here, probability that the people are left handed is 0.68 and sample size 'n' is 24.