Just final answer will do, no need workings

Q5-1 Let A = {1, 2, 3, 4). The relation R = {(1, 1), (2, 2), (3, 3), (4,4)} defined on A is Select one: O a. an equivalence relation. b. reflexive and symmetric but not transitive. Oc. not an equivalence relation. O d. reflexive but not symmetric and not transitive. Q4-4 Let A = {XER 75x= 0.59 and P(AC|B.) = 0.57, what are the false positive and false negative rates? 2 A. false positive rate = 0.43, false negative rate = 0.41. B. false positive rate = 0.41, false negative rate = 0.43 C. false positive rate = 0.59, false negative rate = 0.57 D. false negative rate = 0.57, false positive rate = 0.59 Select one: O a. O b. Oc. D O d. B