You measure 48 textbooks' weights, and find they have a mean weight of 34 ounces. Assume the population standard deviation is 10.8 ounces. Based on this, construct a 90% confidence interval for the...

You measure 48 textbooks' weights, and find they have a mean weight of 34 ounces. Assume the population standard deviation is 10.8 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight.



Give your answers as decimals, to two places



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