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.