The expected value of a random variable is the _____.
A) value of the random variable that should be observed on the next repeat of the experiment
B) value of the random variable that occurs most frequently
C) square root of the variance
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

The expected value of a random variable is a theoretical mean of all possible outcomes, weighted by their probabilities, not necessarily any of the options given. It is not specifically the value observed next, the most frequent value, or the square root of the variance.

The Expected Value of a Random Variable Is the _____