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