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    Using Probability to Estimate IQ

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    The IQ of children in a certain population is normally distributed with mean 100 and standard deviation 10. If a child is randomly chosen from this group, the probability that the child's IQ is less than 85 or greater than 110 is?
    a. .0919
    b. .2255
    c. .9081
    d. .7745

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    https://brainmass.com/statistics/probability/using-probability-estimate-43868

    Solution Summary

    This solution gives a step-by-step process of how to determine the probability of selecting a child with an IQ greater than 110 or less than 85.

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