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March 27, 2017

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Two marbles are drawn from a bag containing 6 white, 4 red, and 6 green marbles. Find the probability of both marbles being white.

  • math - ,

    The probability of one of the marbles being white is 6/16=3/8 so the probability of both of the marbles being white is (3/8) x (3/8)

  • math - ,

    Jen's answer assumes that the first marble drawn is then returned to the bag.

    If we simply draw two marbles, one after the other, the prob of the stated event is
    6/16*5/15
    = 1/8

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