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    Another Special Cases of Z-scores

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    Briefly explain what percentages of the cases in the normal curve you can obtain by using a z-score of 2.58 as a cutoff point.

    Specifically:

    A. Discuss the percentages in the middle area (near the mean).
    B. Discuss the percentages in the tails.

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    Solution Preview

    Another Special Cases of z-scores

    Briefly explain what percentages of the cases in the normal curve you can obtain by using a z-score of 2.58 as a cutoff point. Specifically:

    A. Discuss the percentages in the middle area (near the mean).

    To start, I looked up z = 2.58 in a z-distribution table.

    0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 ...

    Solution Summary

    The expert briefly explains what percentages of the cases in the normal curve. The percentages in the middle area are given.

    $2.19

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