And more tennis suppose the tennis player in exercise 27, Ask an Expert

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And more tennis. Suppose the tennis player in Exercise 27 serves 80 times in a match.

a) What are the mean and standard deviation of the number of good first serves expected?

b) Verify that you can use a Normal model to approximate the distribution of the number of good first serves.

c) Use the 68-95-99.7 Rule to describe this distribution.

d) What's the probability she makes at least 65 first serves?

Exercise 27

Tennis, anyone? A certain tennis player makes a successful first serve 70% of the time. Assume that each serve is independent of the others. If she serves 6 times, what's the probability she gets

a) all 6 serves in?

b) exactly 4 serves in?

c) at least 4 serves in?

d) no more than 4 serves in?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92192058

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