SOLUTION: A box contains 6 red and 9 green marbles. You reach in and remove 3 marbles all at once. Find the probability that these 3 marbles are all the same color.

Question 973656: A box contains 6 red and 9 green marbles. You reach in and remove 3 marbles all at once. Find the probability that these 3 marbles are all the same color.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A box contains 6 red and 9 green marbles. You reach in and remove 3 marbles all at once. Find the probability that these 3 marbles are all the same color.
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# of ways to succeed:: 6C3 + 9C3 = 20+164 = 184
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# of random triples:: 15C3 = 455
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Ans: 184/455
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Cheers,
Stan H.
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