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    Normal probability distribution

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    The mean of normal probability distribution is 60; the standard deviation is 5.
    a. About what percent of the observations lie between 55 and 65?
    b. About what percent of the observations lie between 50 and 70?
    c. About what percent of the observations lie between 45 and 75 ?

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    © BrainMass Inc. brainmass.com June 3, 2020, 6:36 pm ad1c9bdddf
    https://brainmass.com/statistics/probability/normal-probability-distribution-67777

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    Solution Summary

    The solution calculates probability using Normal probability distribution.

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