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A researcher wants to estimate the mean age of all Business Week readers at a 99% confidence level. She wants the margin of error
A researcher wants to estimate the mean age of all Business Week readers at a 99% confidence level. She wants the margin of error to be within 3.1 years of the population mean. The standard deviation of ages of all Business Week readers is 10.04 years. The sample size that will yield a margin of error within 3.1 of the population mean is:
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Elementary Statistics Picturing The World
Authors: Ron Larson, Betsy Farber
7th Edition
134683412, 978-0134683416
