12. Suppose that A and B are two independent events with P(A) = 0.3 and P(B) = 0.3. What is P(A and B)? O 0.52 O 0.09 O 0.60 O 0.51 13. Suppose that A and B are two independent events with P(A) - 0.3 and P(B) = 0.3. What is P(A or B)? O 0.51 O 0.60 O 0.52 O 0.09 14. In a large city 72% of the people are known to own a cell phone, 38% are known to own a pager, and 29% own both a cell phone and a pager. What proportion of people in this large city own either a cell phone or a pager? O 0.29 O 0.67 O 1.1 0.81 15. Consider two events: E and F. We know that P(E) - P(F) - 0.7. Suppose we know that P(FE) = 0.9. What is the probability that at least one of them occurs, i.e., what is P(E or F)? O 0,90 O 0.50 O 0.77 O 1.33 16. Consider two events: E and F. We know that P(E) = P(F) = 0.7. Suppose we know that P(F1E) - 0.9. What is P(EIF)? O 1.0 O 0.7 O 0.9 O 0.5 17 Roh has rerentiv heen hired hv a chnn downtown tn heln customare with varinue comnuter-related nrohleme Iatalv twn different vinicac have hean hunning many csetomers: Dummu and Smartv Trie ectimated that Remaining: 1:13:00 Start: 10:20 PM Submit