For events A and B, we are given that

P(A) = 0.8, P(B) = 0.4, and P(A and B) = 0.2.

Find P(B if A).

0.25

0.5

4

0.12

For events A and B, we are given that

P(A) = 0.7, P(B) = 0.4, and P(A and B) = 0.2.

Are events A and B independent?

yes

no