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    Sample Size: Boxes

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    The mean weight is 20.4 pounds, the standard deviation .5 pounds. How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than .2 pound?

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    Solution Summary

    The solution provides step-by-step method for the calculation of sample size. Formula for the calculation and Interpretations of the results are also included.