Math

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A bag contains nine red marbles, four green marbles, three blue marbles, and two yellow marbles. If Lisa draws a random marble from the bag, what is the probability that it will be a red, green, or blue marble?

  • Math -

    only 2 yellow out of 18 marbles.
    So, P(~yellow) = 16/18

  • Math -

    9P3

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