Question: In a random experiment, let A and B be two independent events with P(A) = P(B) = p. In an outcome of the experiment, let

In a random experiment, let A and B be two independent events with P(A) = P(B) = p. In an outcome of the experiment, let X be the number of these events that occur (0, 1, or 2). Find E[X] and V[X].

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