SOLUTION: Let Y be the total number of ones and twos when 5 dice are rolled.
A. Find the probability distribution for Y.
B. Find the mean and variance of Y.
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Question 807013: Let Y be the total number of ones and twos when 5 dice are rolled.
A. Find the probability distribution for Y.
B. Find the mean and variance of Y.
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
Y has a binomial distribution with n = 5 and p = 1/3
then mean = np = 5/3
variance = np(1-p) = 2/9
If you need more help with this kind if questions, you can contact me now at:
mthman@gmail.com
Thanks
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