SOLUTION: . A sample of 40 golfers showed that their average score on a particular golf course was 85 with a standard deviation of 8. Answer each of the following (show all work): (A) Fi

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Question 311128: . A sample of 40 golfers showed that their average score on a particular golf course was 85 with a standard deviation of 8.
Answer each of the following (show all work):
(A) Find the 95% confidence interval of the mean score for all 40 golfers.
(B) Find the 95% confidence interval of the mean score for all golfers if this is a sample of 70 golfers instead of a sample of 40.
(C) Which confidence interval is smaller and why? (Points :6)

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