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An urn contains 10 red and 8 white balls...

An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.

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Knowledge Check

  • An urn contains 9 red, 7 white, and 4 black balls if two balls are drawn at random the probability that both the balls are red is

    A
    (18/95)
    B
    (36/95)
    C
    (18/190)
    D
    none of these
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