## Standards derived from the same national standard

Calculate the expected value of a random variable; interpret it as the mean of the probability distribution.

Calculate the expected value of a random variable; interpret it as the mean of the probability distribution.

Calculate the expected value of a random variable; interpret it as the mean of the probability distribution.

Calculate the expected value of a random variable as the mean of its probability distribution. Find expected values by assigning probabilities to payoff values. Use expected values to evaluate and compare strategies in real-world scenarios.