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Three marbles are randomly selected, without replacement, from a bag containing two red, three blue and four green marbles. What is the probability that one marble of each color is selected? Express your answer as a common fraction.

 Jan 3, 2022
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Choose a red one  2 out of 9    2/9

  now there are 8 marbles left

      choose a blue   3/8

     now there are 7 left

         choose a green    4/7

 

2/9  *  3/8  *   4/7   = ...................

 Jan 3, 2022

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