Population Means and Confidence Intervals
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1.What sample size would be needed to estimate he population mean to within one-half standard deviation with 95% confidence?
2.A 95% confidence interval estimate for a population mean was computed to be (44.8 to 50.2). Determine the mean of the sample, which was used to determine the interval estimate.
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Solution Summary
This solution calculates sample sizes used to determine interval estimates.
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