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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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Solution

| Comment 16 of 23 |

There are eight different possible outcomes :

HHH
HHT
HTH
HTT
TTT
TTH
THT
THH

(H = heads, T = tails).

Of thes eight, 3 contain exactly one head, so the probability is 3/8

Posted by Lewis on 2003-06-21 02:03:55

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