📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      For the frequency distribution of X number of

      grammatical mistakes per line is as follows. X:            0              2              4 P(x):      0.5          0.3          0.2 The third factorial moment of X is:
      A 3.6 Correct Answer Incorrect Answer
      B 2.8 Correct Answer Incorrect Answer
      C 3.2 Correct Answer Incorrect Answer
      D 4.8 Correct Answer Incorrect Answer

      Solution

      The correct answer is D

      Practice Next
      More Welfare Economics Questions
      ask-question