Question
You measure 21 textbooks' weights, and find they have a mean weight of 79 ounces. Assume the population standard deviation is 4 ounces. Based on
You measure 21 textbooks' weights, and find they have a mean weight of 79 ounces. Assume the population standard deviation is 4 ounces. Based on this, construct a 90% confidence interval for the true population mean textbook weight.
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Precalculus
Authors: Braja M Das, David Cohen, Theodore B Lee, David Sklar
7th Edition
1133386482, 9781133386483
