Math

posted by Skye

Molly has a jar containing 4 yellow 3 blue 3 green and 2 orange marbles If Molly removes one marble without looking record the color does not replace it before drawing again what is the probability that she will remove two yellow marbles

  1. Damon

    12 marbles to start
    drew one yellow 4/12

    then 11 marbles of which 3 are yellow
    3/11
    so

    4/12 * 3/11

    = 1/11

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