Let A and B be two independent events. If P(B) = 0.5, what can you say about P(B | A)? Cannot find it because P(A) is not known. O Cannot find it because P(B and A) is not known. O Cannot find it because both P(A) and P(B and A) are not known. O It is equal to 0.5. O It is equal to 0.25