Events A,BA, BA,B are disjoint. P(A)=0.3,P(B)=0.4P(A)=0.3, P(B)=0.4P(A)=0.3,P(B)=0.4. What is P(A∣A∪B)P(A|A \cup B)P(A∣A∪B)?
3/7
4/7
1/2
0.3