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    Standard score for data value; probability of data value

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    A set of 50 data values has a mean of 45 and a variance of 9.

    I. Find the standard score (z) for a data value = 52.
    II. Find the probability of a data value < 52.
    III. Find the probability of a data value > 52.

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    https://brainmass.com/statistics/probability/standard-score-data-value-probability-data-value-365016

    Solution Preview

    z = (x-u)/s {where x is your value of interest, s is your standard deviation = ...

    Solution Summary

    The standard scores for data values are determined. The probability of data values are provided.

    $2.19

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