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

    Practice Next