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      Question

      The probability density function of a random variable X

      is f(x) = ( ╧А /10) sin ( ╧А x /5) ; 0 тЙд x тЙд 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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