Using the information in Problem 3, calculate the sample size needed if the standard time estimate is

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Using the information in Problem 3, calculate the sample size needed if the standard time estimate is to be within 5 percent of the true mean 99 percent of the time. Calculate the percentage increase in sample size for the higher precision.



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Operations Management

ISBN: 978-0470325049

4th edition

Authors: R. Dan Reid, Nada R. Sanders

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