Common Core Standards: Math
High School: Statistics and Probability
Using Probability to Make Decisions HSS-MD.B.5
5. Weigh the possible outcomes of a decision by assigning probabilities to payoff values and finding expected values.
One of the most fun things to do with statistics is to show how games can be played with them. More importantly, how to calculate beforehand whether or not it's even worth playing a game based on the expected value of the game.