A and B are the only two outcomes of an event.Probability of P(A)=0.72,then what will be the probability P(B) and why?
Given:
P(A)=0.72
As, we know that maximum probability for occurrence of any event is 1.
∴ P(A) + P(B) = 1
⇒ 0.72 + P(B) = 1
⇒ P(B) = 1 - 0.72
⇒ P(B) = 0.28