SOLUTION: The chorus has six sopranos and eight baritones. In how many ways can the director choose a quartet that contains at least one soprano?

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Question 955680: The chorus has six sopranos and eight baritones. In how many ways can the director choose a quartet that contains at least one soprano?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The chorus has six sopranos and eight baritones. In how many ways can the director choose a quartet that contains at least one soprano?
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Total # of possible quartets:: 12C4 = 495
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# of quartets with no sopranos:: 6C4 = 6C2 = 15
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P(at least one soprano) = 495-15 = 480 ways
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Cheers,
Stan H.
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