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    Sampling without replacement. Probability mass function

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    Suppose that 3 balls are chosen without replacement from an urn consisting of 5 white and 8 red balls. Let Xi equal 1 if the
    i-th ball selected is white, and let it equal 0 otherwise. Give the joint probability mass function of

    (a) X1, X2.
    (b) X1, X2, X3.

    See the attached file.

    © BrainMass Inc. brainmass.com October 9, 2019, 4:17 pm ad1c9bdddf
    https://brainmass.com/statistics/probability/sampling-replacement-probability-mass-function-28208

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    Solution Summary

    In this solution, the joint probability mass function of a set of random variables is found when sampling without replacement from an urn consisting of 5 white and 8 red balls.

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