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You measure 44 textbooks' weights, and find they have a mean weight of 34 ounces. Assume the population standard deviation is 11.5 ounces. Based on

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You measure 44 textbooks' weights, and find they have a mean weight of 34 ounces. Assume the population standard deviation is 11.5 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight. Round your answer to two decimal places. -#<

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