SOLUTION: A bag contains 5 red marbles and 6 white marbles. Find the number of ways of selecting 4 marbles such that 2 are red and 2 are white.
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Question 490907: A bag contains 5 red marbles and 6 white marbles. Find the number of ways of selecting 4 marbles such that 2 are red and 2 are white. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A bag contains 5 red marbles and 6 white marbles. Find the number of ways of selecting 4 marbles such that 2 are red and 2 are white.
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# of ways to select 2 red: 5C2 = 10
# of ways to select 2 white: 6C2 = 15
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# of ways to select 2red and 2 white = 10*15 = 150
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Cheers,
Stan H.
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