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Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population
Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and o = 19.8. Assume the population is normally distributed. A 90% confidence level requires a sample size of. (Round up to the nearest whole number as needed.)
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Elementary Statistics Picturing The World
Authors: Ron Larson, Betsy Farber
7th Edition
134683412, 978-0134683416
