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    Calculations for sample size

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    How many quarters must we randomly select and weigh if we want to be 99% confident that the sample mean is within 0.025 g of the true population mean for all quarters? Based on results from a sample of quarters, we can estimate the population standard deviation as 0.068 g.

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    https://brainmass.com/statistics/descriptive-statistics/calculations-for-sample-size-106077

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    This solution provides calculations for finding sample size.

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