If you want to be 99% confident of estimating the population mean to within a sampling error

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If you want to be 99% confident of estimating the population mean to within a sampling error of +20 and the standard deviation is assumed to be 100, what sample size is required?

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Statistics For Managers Using Microsoft Excel

ISBN: 772

7th Edition

Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat

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Question Posted: Sep 21, 2024 05:20 AM

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If you want to be 99% confident of estimating the population mean to within a sampling error of +20 and the standard deviation is assumed to be 100, what sample size is required?
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If you want to be 99% confident of estimating the population mean to within a sampling error

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Statistics For Managers Using Microsoft Excel

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