In this video, you learn about Expected Value, Variance, and Covariance and apply them to prove the formulas seen in AP Statistics. AP Statistics Full Course: • AP Statistics Full Course Countably vs. Uncountably Infinite: • Countably vs. Uncountably Infinite CLEARLY... 0:00 Intro 0:33 Random Variables 2:53 Expected Value 7:16 Variance 11:59 Covariance 17:33 Proving AP Statistics Formulas 21:40 Continuous Random Variables 23:41 Outro & AP Statistics Full Course