Solution-Sample size for the population mean

Sample size for the population mean

Reference no: EM131689459

Question: 1. If you want to be 95% confident of estimating the population mean to within a sampling error of ±5 and the standard deviation is assumed to be ±15, what sample size is required?

2. 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?

Reference no: EM131689459

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Sample size for the population mean

Reference no: EM131689459

Reference no: EM131689459

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