Question

For Bernoulli Distribution, state formula for E(X) and V(X).

Answer 1

Bernoulli distribution is a particular case of binomial distribution if n = 1.

In binomial distribution if X ~ B(n, p) then E(X) = np and V(X) = npq.

∴ For bernoulli distribution, we get

E(X) = p and V(X) = pq.