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You measure 42 textbooks' weights, and find they have a mean weight of 58 ounces. Assume the population standard deviation is 2.8 ounces. Based on

You measure 42 textbooks' weights, and find they have a mean weight of 58 ounces. Assume the population standard deviation is 2.8 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight. Round answers to at least 4 decimal places. ______ < (Select an answer x s s p p) < _______

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