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    The Empirical Rule For Statistics Students

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    For a normal distribution curve with a mean of 19 and a standard deviation of 6, which range of the variable defines an area under the curve corresponding to a probability of approximately 99.7%?

    a. from 1 to 37
    b. from 13 to 25
    c. from 19 to 31
    d. from 7 to 31

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    Solution Preview

    To complete this answer, you need to be aware of the empirical rule of statistics. This rule states that for a normal distribution, about 68% of all values fall within 1 standard deviation of the mean, about ...

    Solution Summary

    A complete, worked-through statistics solution for a specific question related to the empirical rule for normal distributions.