Union of Events



Def: Union of Events—the union of events A and B is the collection of all outcomes that belong either to A or to B or to both A and B.


·        P(A or B) or .

·        P(A or B) = P(A) + P(B) – P(A and B).


Examples (Power point slides—in handout packet).



Attribute Block Activity—Union of Events and Attribute Blocks



Twins, Etc.