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    Normal probability calculation based on Z score

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    A normal distributed population has a mean of 250 pounds and a standard deviation of 10 pounds. Given n = 20, what is the probability that this sample will have a mean value between 245 and 255 pounds?

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    Solution Summary

    The solution provides step by step method for the calculation of Normal probability calculation based on Z score . Formula for the calculation and Interpretations of the results are also included.

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