Statistics Normal Distribution Confidence Interval true average

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Question description

Suppose the doctor conducted a study on a new ABC weight loss program. A sample of 16 ABC weight loss patients lost an average of 6 pounds. Assuming the population is normally distributed with a standard deviation of 2.5 lbs, construct a 90% confidence interval estimate of the true average wight loss from the doctor's new ABC weight loss program. 

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(Top Tutor) Daniel C.
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