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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?

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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Statistics For Business And Economics

Statistics For Business And Economics

ISBN: 9780538481649

11th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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Posted Date: September 20, 2015 09:18:33
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