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A random sample of 130 adult males was selected as part of a study on weight...

A random sample of 130 adult males was selected as part of a study on weight loss. The average weight at the beginning of the study was 265 pounds with a standard deviation of 22 pounds. Assuming the weight is normally distributed, provide a 99% confidence interval for the mean weight at the start of the study. You MUST show your work to receive full credit.

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