Consider randomly selecting a student at a certain university, and let A denote the event that the selected individual has a Visa credit card and B be the analogous event for a MasterCard. Suppose that P(A) = 0.5, P(B) = 0.6, and P(A N B) = 0.35. (a) Compute the probability that the selected individual has at least one of the two types of cards (i.e., the probability of the event A U B). (b) What is the probability that the selected individual has neither type of card? (c) Describe, in terms of A and B, the event that the selected student has a Visa card but not a MasterCard. AUB O A'NB O ANB' O ANB' O AUB' Calculate the probability of this event.

Q: WOW THANKS! Can you help with question 18 too? I realized I already answered 20 after i sent it

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