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Question 2 Question 2 You measure 20 textbooks' weights, and find they have a mean weight of 74 ounces. Assume the population standard deviation is

Question 2

Question 2 You measure 20 textbooks' weights, and find they have a mean weight of 74 ounces. Assume the population standard deviation is 12.1 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight Give your answers as decimals, to two places Submit Question

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