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Question 20 You measure 38 textbooks' weights, and find they have a mean weight of 41 ounces. Assume the population standard deviation is 2.8 ounces.

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Question 20 You measure 38 textbooks' weights, and find they have a mean weight of 41 ounces. Assume the population standard deviation is 2.8 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places Ku Next Question Online Menu

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