SOLUTION: Find the probability of obtaining exactly 2 heads in 4 tosses of a fair coin? This is an experiment with replacement.

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Question 1150354: Find the probability of obtaining exactly 2 heads in 4 tosses of a fair coin? This is an experiment with replacement.
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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Binomial distribution probability


    P = C%5B4%5D%5E2%2A%281%2F2%29%5E2%2A%281%2F2%29%5E2 = %28%284%2A3%29%2F%281%2A2%29%29%2A%281%2F2%29%5E4 = 6%2F2%5E4.