If P (A)=0.8,P(B)=0.5 and P(BA)=0.4, find P(AB)
P(AB)=P(A∩B)P(B)=0.320.5=3250=0.64
If P (A)=0.8,P(B)=0.5 and P(BA)=0.4, find P(A∩B)
P(AB)
P(A∪B)
If P(A) = 0.8, P(B) = 0.5 and P(B|A) = 0.4, find
(i) P(A ∩ B) (ii) P(A|B) (iii) P(A ∪ B)