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      Question

      For the distribution X:           

      1              0              1 P(x):      0.3          0.5          0.2 the third factorial moment is
      A 1.8 Correct Answer Incorrect Answer
      B -0.3 Correct Answer Incorrect Answer
      C -1.8 Correct Answer Incorrect Answer
      D 0.3 Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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