What sample sizes should be used for these time studies? a. There should be a .90 probability

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What sample sizes should be used for these time studies?

a. There should be a .90 probability that the value of the sample mean is within 2 minutes, given that the standard deviation is 4 minutes.

b. There should be a 95 percent chance that the sample mean has an error of 0.10 minutes or less when the variance is estimated as 0.50 minutes.

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OM4 operations management

ISBN: 978-1133372424

4th edition

Authors: David Alan Collier, James R. Evans

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Question Posted: Nov 02, 2016 08:05 AM

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What sample sizes should be used for these time studies? a. There should be a .90 probability

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OM4 operations management

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