What sample size is needed to estimate a population mean within 50 of the true mean value

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What sample size is needed to estimate a population mean within 50 of the true mean value using a confidence level of 95%, if the true population variance is known to be 122,500?

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Business Statistics A Decision Making Approach

ISBN: 9780136121015

8th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith

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Question Posted: Sep 21, 2024 10:03 AM

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What sample size is needed to estimate a population mean within 50 of the true mean value using a confidence level of 95%, if the true population variance is known to be 122,500?
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What sample size is needed to estimate a population mean within 50 of the true mean value

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Business Statistics A Decision Making Approach

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