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In order to determine how many hours per week freshmen college students watch television, a random sample of 256 students was selected.It was determined that the students in the sample spent an average of 14 hours with a standard deviation of 3.6 hours watching TV per week.
a.
Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week.
b.
Assume that a sample of 66 students was selected that resulted in the same mean and standard deviation.Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week.
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