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The average number of pages per book from a library is unknown. A random sample of books from the library yields a sample mean of

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The average number of pages per book from a library is unknown. A random sample of books from the library yields a sample mean of x = 149.7 pages. Assume the sampling distribution of the mean has a standard deviation of of = 14.1 pages. Use the Empirical Rule to construct a 99.7% confidence interval for the true population mean number of pages. Provide your answer below

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