[Solved] In a hospital, a sample of 8 weeks was selected, and it was found that an average of 438 patients were treated in the emergency room each week.
Question: In a hospital, a sample of 8 weeks was selected, and it was found that an average of 438 patients were treated in the emergency room each week. The standard deviation was 16. Find the 99% confidence interval of the true mean. Assume that the variable is normally distributed.
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