Question

    A bag contains 3 black and 9 white balls. One ball is

    drawn at random. What is the probability that the ball drawn is white?
    A 1/4 Correct Answer Incorrect Answer
    B 3/5 Correct Answer Incorrect Answer
    C 3/4 Correct Answer Incorrect Answer
    D 2/5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let number of balls = (3 + 9) = 12. Number of white balls = 9 P (drawing a white ball) = 9/12 = 3/4.

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