SOLUTION: Twelve fair coins are tossed all at once. What is the probability that exactly 5 of them land heads up?

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Question 810545: Twelve fair coins are tossed all at once. What is the probability that exactly 5
of them land heads up?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Twelve fair coins are tossed all at once.
What is the probability that exactly 5 of them land heads up?
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Ans: 12C5(1/2)^12 = 0.1934
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Cheers,
Stan H.
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