2 Laws of Probability

S1: The Definition of Probability

S2: Probabilities of Complementary Events Sum to 1

S3: Probabilities of Mutually Exclusive Events can be added

S4: The Case of Overlapping Events

S5: The Kolmogorov Axioms

S1: The Definition of Probability

S2: Probs are between 0 and 1

S3: Probabilities of MUTUALLY EXCLUSIVE EVENTS CAN BE ADDED.

S4; Probabilities of overlapping events can also be easily computed

S5: The Kolmogorov Axioms of Probability