Mathematics, 30.07.2021 03:30, giovney

You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=42.3 You would like to be 95% confident that your esimate is within 1 of the true population mean. How large of a sample size is required?

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You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe t...