total number of marbles: 2 + 3 + 4 = 9
since there are only 2 red marbles the chances of picking a red one is 2/9
Amanda V.
asked • 10/27/14Probability 4
A marble is selected at random from a jar containing 2 red marbles, 3 yellow marbles, and 4 green marbles.
What is the probability that the marble is red?
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