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      Question

      A bag contains 18 black and 20 white balls. One ball is

      drawn at random. What is the probability that the ball drawn is white?
      A 11/19 Correct Answer Incorrect Answer
      B 13/19 Correct Answer Incorrect Answer
      C 10/19 Correct Answer Incorrect Answer
      D 17/19 Correct Answer Incorrect Answer

      Solution

      Let number of balls = (18 + 20) = 38 Number of white balls = 20 P (drawing a white ball) = 20/38 = 10/19

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