SOLUTION: Kyle goes to a video rental store with enough money to rent 3 DVDs. He finds 3 dramas, 4 comedies, and 2 action. What is the probability that he will select all comedies?

Question 141727: Kyle goes to a video rental store with enough money to rent 3 DVDs. He finds 3 dramas, 4 comedies, and 2 action. What is the probability that he will select all comedies?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Kyle goes to a video rental store with enough money to rent 3 DVDs. He finds 3 dramas, 4 comedies, and 2 action. What is the probability that he will select all comedies?
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# of ways to select 3 comedies: 4C3 = 4
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# of ways to select 3 of any kind: 9C3 = 9*8*7/1*2*3 = 84
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P(select 3 comedies out of the distribution) = 4/84 = 1/21
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Cheers,
Stan H.
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