SOLUTION: If you toss a fair dice 180 times. Find the expected number of thimes that the number"6" will come up and the standard deviation?

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Question 1139007: If you toss a fair dice 180 times. Find the expected number of thimes that the number"6" will come up and the standard deviation?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
E(X)=np=180(1/6)=30 times
Var(X)=np(1-p)=30*(5/6)=25
sd (X)=sqrt(Var(X))=5