Let (S, P) be a sample space where S = (1,2,3,..., 10} and P(j) = j/55 for j = 1,2,.., 10. Let A be the event A = {(1,4,7,9) and let B be the event B = {1,2,3,4,5). a. What is the probability of A? b. What is the probability of B? c. What is the probability of A U B? d. What is the probability of A N B?

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