Math 1340 Take Home Quiz 9 Version 2 Winter 2018 10 points NAME This quiz is due

Question

Math 1340 Take Home Quiz 9 Version 2 Winter 2018 10 points NAME This quiz is due on Monday, March 19, at the beginning of class You must explain your reasoning or show a calculation on all problems for full credit. You must use pencil on this quiz. No exceptions Find the indicated probability 1) A certain coney island has a 52% recognition rate in warren, Rick wants to verify the recognition rate as he is residents. Find the nother location in Warren. He selects a random sample of 10 Warren interested in opening probability that exactly 4 of the 10 Warren residents recognize the name. 2)lt is known that in a group of500 people naned Tara, 20%ofarthe people prouer cthe nameas Teat-ay andis pronounce tbe name as Tar ah. In a sample of 24 of tbe 500 people, what is the probability at at least 20 of them will pronounce tbe name as Tar-ah? Find the indicated probability. Round to three decimal places. 3 Suhe has determined that 4% of all drivers were involved in a car accident last year. Among the 11 drivers living on one particular street, 3 were involved in a car accident last year. If 11 drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? B-1

Explanation / Answer

Please post 1 question per post , as per forum rules.

1.

Params of binomial distribution are given below:

p(negotiation rate) = .52

n =10

P(X=4,n=10)

= 10C4(.52^4)(1-.52)^6

= 0.1878

Hence, probability that exactl 4 out of 10 Warren residents recognize the name is 0.1878

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