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The 99% confidence interval for a population mean is (207, 227). For a sample data the sample mean is 217 and the population standard

The 99% confidence interval for a population mean is (207, 227). For a sample data the sample mean is 217 and the population standard deviation value is 46. Compute the sample size necessary to produce the confidence interval. a) b) c) d) 140.8 141.8 139.8 Cannot determine.

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