SOLUTION: Use the equiprobable sample space to commute the probability of getting exactly 3 heads in 6 tosses of a fair coin

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Question 1023052: Use the equiprobable sample space to commute the probability of getting exactly 3 heads in 6 tosses of a fair coin
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The binomial distribution covers the equiprobable sample space case.
The binomial pmf is p%28x%29+=+C%28n%2Cx%29%281%2F2%29%5E%28n-x%29%281%2F2%29%5Ex+=+C%28n%2Cx%29%281%2F2%29%5En
Applied to this situation this becomes p%28x%29+=+C%286%2Cx%29%281%2F2%29%5E6.
==> p%283%29+=+C%286%2C3%29%281%2F2%29%5E6+=+C%286%2C3%29%2F2%5E6+=+5%2F16