Probabilities

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A jar contains 2 red marbles, 3 green marbles, 4 blue marbles, and 5 yellow marbles. Two marbles are drawn in succession, without replacement. The probability that neither is yellow?

  • Probabilities -

    find prob of getting two yellows
    = (5/14)(4/13) = 10/91

    so prob that neither is yellow = 1-10/91 = 81/91

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