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    Determining the sample size in the given case

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    If the manager of a paint supply store wants to estimate the mean amount of paint in a 1-gallon can to within +/- 0.004 gallon with 95% confidence and also assumes that the standard deviation is 0.02 gallon, what sample size is needed?

    Please answer in excel using functions.

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    Solution Summary

    Solution depicts the steps to determine the sample size in the given case. Calculations are carried out with the help of suitable built-in functions in MS Excel.