Given that P(A) = 0.8 and P(A and B) = 0.6, if A and B are independent events, what is the probability of event B?
P(A or B) = P(A) + P(B) - P(A and B)
P(A or B) = .8 + P(B) - .6
Don't think we have enough data
P(A or B) = .8 + P(B) - .6
Don't think we have enough data