. Miles on a Saturn: A researcher wishes to estimate the mean number of miles on...

Question

Question

. Miles on a Saturn: A researcher wishes to estimate the mean number of miles on three-year old Chevy Cavaliers.

a) How many cars should be in a sample in order to estimate the mean number of miles within 2000

miles with 99% confidence, assuming that = 16,100 miles?

b) How many cars should be in a sample in order to estimate the mean number of miles within 1000

miles with 99% confidence assuming that = 16,100 miles?

Answer 1

Answer #1

Answer 2

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