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Mathematics, 24.02.2020 18:07 selfiegymnast

A random sample of 32 persons attending a certain diet clinic was found to have lost, over a three week period, an average of 30 pounds with a sample standard deviation of 11 pounds. Calculate a 99% confidence interval estimate of the true mean weight loss, over a three-week period, experienced by all persons attending the clinic. You may assume that the distribution of weight loss is normal.

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