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The population standard deviation for the typing speed for secretaries is 4 words per minute. We want to be 90% confident that the sample mean
The population standard deviation for the typing speed for secretaries is 4 words per minute. We want to be 90% confident that the sample mean is within one word per minute of the true population mean What is the minimum sample size that should be taken
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
