SOLUTION: what is the probability of rolling a single die four times and rolling exactly two fives?
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Question 607534: what is the probability of rolling a single die four times and rolling exactly two fives?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
This is a binomial distribution. The probability of rolling exactly two 5's is
 = {{4} \choose {2}} (\frac{1}{6})^2 (\frac{5}{6})^2)
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