The expected value of a discrete random variable can be shown to be the weighted average over all possible outcomes.

Name: The expected value of a discrete random variable can be shown to be the weighted average over all possible outcomes.
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This statement is true. The expected value E(X) of a discrete random variable X with n possible outcomes x1, x2, ..., xn and corresponding probabilities p1, p2, ..., pn can be calculated as the weighted average E(X) = p1x1 + p2x2 + ... + pnxn.

The Expected Value of a Discrete Random Variable Can Be