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1. A card drawn from a well-shuffled deck of 52 cards, what is the probability that the drawn card is a red ace?

2. A card drawn from a well-shuffled deck of 52 cards, what is the probability that the drawn card is an ace or a 9?

3. A bag contains 9 red marbles, 8 blue marbles, and 5 green marbles. what is the probability that a randomly drawn marble is blue.

4. Suppose P(C) = .048, P(M ∩ C) = .044, and P(M U C) = .524, find (a) P(M), (b) P[(M U C)'] and (c) P[(M' U C')] (hint: sketch a Venn diagram)

5. People were given three choices of soft drinks and asked to choose one favorite. The following table shows the results. Find (a) P(person drinks root beer), (b) P(person over 40 and person drinks Cola), (c) P(person over 40 or person drinks Cola), and (d) P(A teenager who doesn't drink cola)

Age Cola . Root Beer Lemon-Lime

<20 40 25 20

20 - 40 35 20 30

> 40 20 30 35

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