SOLUTION: Use the binomial distribution to find the probability of rolling exactly 2 three's in 5 roles of a balanced die? Also what is the mean and variance

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Question 1149769: Use the binomial distribution to find the probability of rolling exactly 2 three's in 5 roles of a balanced die? Also what is the mean and variance
Answer by ikleyn(52814) About Me  (Show Source):
You can put this solution on YOUR website!
.

I will answer the first question ONLY.


    P = C%5B5%5D%5E2%2A%281%2F6%29%5E2%2A%285%2F6%29%5E%285-2%29 = %28%285%2A4%29%2F2%29%2A%281%2F6%29%5E2%2A%285%2F6%29%5E3.


You complete calculations  ON YOUR OWN  to get the numerical value.