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    Question

    The value of k so that following is probability mass

    function X:            -2            -1            0              1              2              3 P(X=x):2k           3k           4k           3k           2k           k is
    A 1/16 Correct Answer Incorrect Answer
    B 2/15 Correct Answer Incorrect Answer
    C 1/15 Correct Answer Incorrect Answer
    D 1/14 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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