NEED HELP If events A and B are independent, what must be true?
a. P(A|B) = P(B)
b. P(A|B) = P(A)
c. P(A) = P(B)
d. P(A|B) = P(B|A)

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96