Question
We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers believe the population standard deviation is approximately =48.3=48.3. We
We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers believe the population standard deviation is approximately =48.3=48.3. We would like to be 98% confident that the estimate is within 1.5 of the true population mean. How large of a sample size is required?
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Trigonometry
Authors: Ron Larson, Rosemarie Menager Beeley, Larson/Hostetler
8th Edition
1111789177, 9781111789176
