Suppose that P(A) = .20, P(B) = .30 and P(A and B) = .10. Find...
1. P(A or B) = ___________
2. P(A and BC) = P(A occurs, but B doesn't) = ___________
3. P(A|B) = ____________
4. Show calculation/mention specific probabilities in answering: Are A and B independent events?