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    Question

    The probability density function of a random variable X

    is f(x) = ( π /10) sin ( π x /5) ; 0 ≤ x ≤ 5. The first quartile of X is:
    A 10/3 Correct Answer Incorrect Answer
    B 5/3 Correct Answer Incorrect Answer
    C 1/5 Correct Answer Incorrect Answer
    D 5/2 Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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