alleryStart learning →The expectation of a Bernoulli(p) random variable is
Ap(1 − p)
B0
Cp
D1 − p
Answer & Solution
Correct answer: C. p
X ~ Bernoulli(p) takes value 1 with probability p and 0 with probability 1 − p.
E[X] = 1·p + 0·(1 − p) = p. Variance is p(1 − p).
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