# Question: Prove Theorem 5 3 Theorem 5 3 If X has a binomial distribution

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

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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