25. Refer to the Scheer Industries example in Section 8.2. Use 6.84 days as a planning value...
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25. Refer to the Scheer Industries example in Section 8.2. Use 6.84 days as a planning value for the population standard deviation.
a. Assuming 95% confidence, what sample size would be required to obtain a margin of error of 1.5 days?
b. If the precision statement was made with 90% confidence, what sample size would be required to obtain a margin of error of 2 days?
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Related Book For
Essentials Of Statistics For Business And Economics
ISBN: 9780324568608
5th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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