A Single Population Mean using the Student t Distribution · Exercise 11
One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watched an average of 151 hours each month with a standard deviation of 32 hours. Assume that the underlying population distribution is normal.
Why would the error bound change if the confidence level were lowered to 95%?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §8.2 A Single Population Mean using the Student t Distribution · Exercise 11
No hints for this one.
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