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Flipping a coin (Posted on 2003-05-20)

Suppose you flip a coin three times.

What is the probability of getting exactly one heads?

See The Solution Submitted by Tim Axoy

Rating: 2.7647 (17 votes)

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answer

| Comment 3 of 23 |

here are the possible combinations.
h=heads and t=tails
hhh
hht
hth
thh
tth
tht
ttt
htt
Of those 8, there are 3 with one and only one heads. So the odds of getting heads only once is 3/8.

Posted by ethan on 2003-05-20 10:45:56

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