SOLUTION: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen?
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Question 370529: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. What is the probability that three girls and two boys are chosen?
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# of ways to pick 3 girls and 2 boys: 7C3*6C2 = 525
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# of ways to pick 5 childred randomly: 13C5 = 1287
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P(selecting 3g and 2b) = 525/1287
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Cheers,
Stan H.