If X is the number of 3's that appear when 60 dice are tossed, what is the E(X^2)?
I am not sure how to set this problem up? I am guessing you have to get it into an integral form but I am not sure. Thanks to anyone who can help!
If X is the number of 3's that appear when 60 dice are tossed, what is the E(X^2)?
I am not sure how to set this problem up? I am guessing you have to get it into an integral form but I am not sure. Thanks to anyone who can help!
X has binomial distribution: . So, .