Question: Prove Theorem 5.3. Theorem 5.3 If X has a binomial distribution with the parameters n and and Y = X/n , then E(Y) =

Prove Theorem 5.3.
Theorem 5.3
If X has a binomial distribution with the parameters n and θ and Y = X/n , then
E(Y) = θ and σ2Y = θ(1– θ)/n

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