SOLUTION: A sample of 83 golfers showed that their average score on a particular golf course was 84.81 with a standard deviation of 5.99. Answer each of the following (show all work and

Algebra ->  Probability-and-statistics -> SOLUTION: A sample of 83 golfers showed that their average score on a particular golf course was 84.81 with a standard deviation of 5.99. Answer each of the following (show all work and       Log On


   



Question 424509: A sample of 83 golfers showed that their average score on a particular golf course was 84.81 with a standard deviation of 5.99.
Answer each of the following (show all work
and state the final answer to at least two decimal places.):
(A) Find the 90% confidence interval of the mean score for all 83 golfers.
(B) Find the 90% confidence interval of the mean score for all golfers if this is a sample of 130 golfers instead of a sample of 83.
(C) Which confidence interval is larger and why?

Answer by ednurse73(1) About Me  (Show Source):