SOLUTION: There are 8 blue and 5 black socks in a drawer. In the dark you randomly chose two socks; what is the probability that they formed a pair.
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-> SOLUTION: There are 8 blue and 5 black socks in a drawer. In the dark you randomly chose two socks; what is the probability that they formed a pair.
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Question 691568: There are 8 blue and 5 black socks in a drawer. In the dark you randomly chose two socks; what is the probability that they formed a pair. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! There are 8 blue and 5 black socks in a drawer. In the dark you randomly chose two socks; what is the probability that they formed a pair.
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# of ways to succeed: 8C2 + 5C2 = 28 + 10 = 38 ways
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# of possoble pairs: 13C2 = 78
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Ans: 38/78 = 19/39
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Cheers,
Stan H.
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