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    Bayer's Theory Example for Statistics Students

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    Suppose that 1% of all people have a particular disease. A test for the disease is 99% accurate. This means that a person who test positive for the disease has a 99% chance of actually having the disease, while a person who test negative for the disease has a 99% chance of not having the disease.

    If a person tests positive for the disease, what is the chance (rounded to the nearest hundredth) that he or she actually has the disease?

    I have worked the problem two ways and am receiving two different answers.

    © BrainMass Inc. brainmass.com June 4, 2020, 2:32 am ad1c9bdddf
    https://brainmass.com/statistics/probability/bayer-s-theory-example-for-statistics-students-465427

    Solution Summary

    A complete worked through example of a probability problem involving Bayer's theory.

    $2.19

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