# Math Help - probability

1. ## probability

State the Axiom of probability

1) $P(\Omega) = 1$
2) If $A$ is inside $\Omega$ then $P(A) \geq 0$
3) If $A_1$ and $A_2$ are disjoint then $P(A_1 \cup A_2 ) = P(A_1 ) + P(A_2 )$