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What is the solution? A library checks out an average of 307 books per day with a standard deviation of 68 books. The number of

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A library checks out an average of 307 books per day with a standard deviation of 68 books. The number of books checked out follows an unknown distribution. Consider a random sample of 117 days of operation. Let X = the average number of books checked out per day over a selection of 117 days. X

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