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Probability Quiz Review

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What is the probability of rolling a 2 or 3?

2/6 = 1/3

What is the probability of randomly selecting a square that is unshaded and odd?

3/20

A box contains 8 apple, 10 fruit punch, 10 grape, and 12 berry juice boxes. A juice box is chosen at random. Find the probability of selecting an apple or a grape juice box.

9/20

D

B

C

A

A

D

C

B

A bag contains 3 blue marbles, 10 green marbles, 4 yellow marbles, and 8 red marbles. A marble is chosen at random. Is it more likely you will choose a blue or red marble?

red

A

B

C

D

A card is chosen at random from a standard deck. Find P(queen or 5) as a fraction (in simplest form).

2/13

B

C

A

D

A

C

B

D

A

C

D

B

The spinner below is spun. What is the probability of spinning a shaded shape in lowest terms?

10/16 = 5/8

D

C

B

A

B

C

D

A

A bag contains 3 basketballs, 10 baseballs, 7 golf balls, and 5 footballs. Find P(a football) as a simplified fraction.

5/25 = 1/5

A pencil box contains 5 red, 12 blue, 10 green, and 3 yellow markers. If a marker is chosen at random, what is the probability that it is not yellow?

9/10

A

B

D

C

B

D

A

C

A bag contains 6 blue marbles, 10 green marbles, 4 yellow marbles, and 8 red marbles. Find P(green or yellow) as a simplified fraction.

14/28 = 1/2

The spinner below is spun. What is the probability of spinning a shaded heart?

2/16 = 1/8

C

D

B

A

B

C

A

D

D

B

A

C

If the spinner below is spun, find P(less than 7) as a fraction in simplest form.

6/10=3/5

The spinner below is spun. What is the probability of spinning a star in lowest terms?

1/4

The probability that it will rain tomorrow is 11/15. What is the probability that it will not rain?

4/15

C

B

D

A

If the spinner below is spun, find P(at least 3) as a simplifed fraction.

8/10=4/5

D

A

B

C