1) Which of the following is an outcome?

A. choosing a marble from a bag

B. choosing a marble from a bag

C. getting a head

D. rolling a die

2) A fair die is rolled What is the probability of rolling an even number or a power of 2?

A. 5/6

B. 2/3

C. 1/2

D. 1/3

3) If A=x is a prime odd number less than 20, what is n(A)?

A. 7 B. 8 C. 9 D. 10

4) Let A = {factors of 6} and B = {composite number less than 10}. What is n(AB)?

A. 1 B. 4 C. 6 D. 8

5) A pouch contains 10 candies of the same shape and size. Five of the candies are mints, 4 ate toffees, and 1 is chocolate. If one candy is picked at random, what is the probability that it is a mint or chocolate?

A. 1/5 B. 2/5 C. 3/5 D. 4/5

6) A card is chosen at random from a standard deck of cards. What is the probability of choosing a queen or a heart?

A. 13/52 B. 15/52 C. 4/13 D. 17/52

7) Let A = {factors of 6} and B = {composite number less than 10}. What is n(AB)?

A. 0 B. 1 C. 2 D. 3

8.) Which is the sample space for choosing a prime number less than 12?

A. {1, 2, 3, 5, 7, 9, 11 }

B. {1, 2, 3, 5, 7, 11}

C. {2,3,5,7,9,11}

D. {2, 3, 5, 7, 11}

9) A number cube is rolled, what is the probability of rolling an even number or a multiple of 6?

A. 1/6

B. 1/2

C. 1/3

D. 1/4

10) A card is drawn from a standard deck of 52 cards, what is the probability that the card will be a spade or an ace?

A. 4/13

B. 1/13

C. 8/13

D. 1/26

TOPIC: Probability of a Union of Two Events

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