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    Determining Percent of Observations within Given Ranges

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    The mean of a normal probability distribution is 60. The standard deviation is 5.

    About what percent of the observations lie between 55 and 65
    About what percent of the observations lie between 50 and 70
    About what percent of the observations lie between 45 and 75

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    Solution Preview

    The mean of a normal probability distribution is 60. The standard deviation is 5.

    About what percent of the observations lie between 55 and ...

    Solution Summary

    This solution assists with the normal distribution problem and determines the percent of observations within the given rages.

    $2.19

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