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      Question

      A pair of dice is rolled once, what is the probability that

      the sum of the numbers on top is 5?
      A 1/6 Correct Answer Incorrect Answer
      B 1/36 Correct Answer Incorrect Answer
      C 1/18 Correct Answer Incorrect Answer
      D 1/9 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      For the sum to be 5, the various favorable outcomes are: (4,1), (1,4), (2,3) and (3,2)
      => Total number of favorable outcomes = 4; Total number of possible outcomes = 6*6 = 36
      => Probability = 4/36 = 1/9

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