What is the minimum sample size n required to estimate with 90% confidence if the desired

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What is the minimum sample size n required to estimate µ with 90% confidence if the desired margin of error is E = 1.2 ? The population standard deviation is estimated as = 3.5. What happens to n if the desired margin of error decreases to E = 0.7?

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Essentials Of Business Statistics Communicating With Numbers

ISBN: 9780078020544

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Jan 28, 2015 10:08 AM

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What is the minimum sample size n required to estimate with 90% confidence if the desired

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For a 90 confidence interval z 2 z ...View the full answer

Essentials Of Business Statistics Communicating With Numbers

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