If $P(A) = 0.3$ and $P(A \cap B) = 0.03$, find $P(B/A)$.
If P(A)=0.8P(A) = 0.8P(A)=0.8 and P(A∩B)=0.25P(A \cap B) = 0.25P(A∩B)=0.25, find P(A−B)P(A - B)P(A−B).
