Sets, Events & Notation — the full summary table Definition of Probability — formula + die example Complement Rule — with a marbles example Addition Rule (King Property) — with a playing cards example Mutually Exclusive Events — with a die example Independent Events — coin + die example Conditional Probability — class Maths/Physics example Law of Total Probability — factory defects example Random Variable, E(X), V(X), σ(X) — game payoff example Quick Reference Table — all key formulas in one place