Question

Which mathematical operation is involved when we need to find probability of separate events involving 'OR'?

• A. $+$
• B. $-$
• C. $\times$
• D. $÷$

Answer 1

The correct option is A $+$

Let A and B be two events.
Then, P(A or B) = P(A) + P(B)

OR operation involves Addition of Probabilities.