Axiom 1:
0<=P(E)<=1
Axiom 2:
P(S)=1
Axiom 3:
For any series of mutually incompatible events E1, E2,... (that is, if i!=j, then EiEj=NULL):
Axiom 1:
0<=P(E)<=1
Axiom 2:
P(S)=1
Axiom 3:
For any series of mutually incompatible events E1, E2,... (that is, if i!=j, then EiEj=NULL):