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StatisticsQ&A LibraryYou want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=61.7σ=61.7. You would like to be 95% confident that your estimate is within 1 of the true population mean. How large of a sample size is required?Start your trial now! First week only $4.99!*arrow_forward*

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You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=61.7σ=61.7. You would like to be 95% confident that your estimate is within 1 of the true population mean. How large of a sample size is required?

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