Question

According to the general equation for conditional probability, if p (a^b)=3/10and p(b)=4/5, what is p(a l b)

Answer 1

Oh and i forgot to ask can you show me how you came to your answer. It would help me out greatly

Answer 2

\[\Large P(A | B) = \frac{P(\text{A and B})}{P(B)}\]

which is equivalent to saying

\[\Large P(A | B) = \frac{P(A \wedge B)}{P(B)}\]

where the ^ is a logical conjunction symbol