Question

An event contains all those elements which are either in A or in B or in both is called

• A. The Event A and B
• B. The Event A not B
• C. The Event A or B
• D. The Event A but not B

Answer 1

Answer:

C. The Event A or B

An event contains all those elements which are either in A or in B or in both. Therefore Event ‘A or B’ = A ∪ B= {ω : ω ∈ A or ω ∈ B}