SOLUTION: in a class of 10 students, there are 4 boys and 6 girls. If a committee of 5 students is to be selected at random. The probability that it consists of 2 boys and 3 girls is what?
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Question 760589: in a class of 10 students, there are 4 boys and 6 girls. If a committee of 5 students is to be selected at random. The probability that it consists of 2 boys and 3 girls is what? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! in a class of 10 students, there are 4 boys and 6 girls. If a committee of 5 students is to be selected at random. The probability that it consists of 2 boys and 3 girls is what?
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# of ways to succeed: 4C2*6C3 = 6*20 = 120 ways
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Total # of possible groups of 5: 10C5 = 252
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P(2 boys and 3 girls) = 120/252 = 0.4762
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Cheers,
Stan H.
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