Of the 8 planets in our solar system, 4 are considered rocky. If a student randomly selects 1 of those 8 planets as a topic for a report, what is the probability that the selected planet will be rocky?

A) \$ 1/2 \$

B) \$ 1/4 \$

C) \$ 1/8 \$

D) 2

Each rock in a collection of 70 rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table.
If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?

A) \$ 10/22 \$

B) \$ 10/70 \$

C) \$ 10/33 \$

D) \$ 10/60 \$

The table above gives the number of United States presidents from 1789 to 2015 whose age at the time they first took office is within the interval listed. Of those presidents who were at least 50 years old when they first took office, what fraction were at least 60 years old?

A) \$25/34\$

B) \$10/43\$

C) \$10/34\$

D) \$10/24\$

The table above shows information about 14 cars listed for sale on an auto dealership’s website. If one of the cars listed for sale is selected at random, what is the probability that the car selected will be a hybrid car priced at no more than $25,000 ?

A) \$4/7\$

B) \$1/3\$

C) \$2/7\$

D) \$1/7\$

The table below shows the distribution of US states according to whether they have a state-level sales tax and a state 0 level income tax.
To the nearest tenth of a percent, what percent of states with a state-level sales tax do not have a state-level income tax?

A) 6.0%

B) 12.00%

C) 14.0%

D) 13.3%

The table summarizes the distribution of age and assigned group for 90 participants in a study. One of these participants will be selected at random. What is the probability of selecting a participant from group A, given that the participant is at least 10 years of age? (Express your answer as a decimal or fraction, not as a percent).

A) \$27/30\$

B) \$25/60\$

C) \$23/60\$

D) \$29/30\$

Suppose there are three types of candies in a jar: red candies, green candies, and blue candies. The ratio of the number of red candies to green candies is 5:3, and the ratio of the number of green candies to blue candies is 4:7. If there are 84 blue candies in the jar, how many candies are there in total?

A) 208

B) 212

C) 215

D) 220

If a factory produces 500 units of a product every hour, and it operates for 8 hours a day, how many units does it produce in a week?

A) 28,000

B) 28,500

C) 27,500

D) 27,000

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If one marble is drawn at random from the bag, what is the probability that it is blue?

A) \$7/20\$

B) \$3/10\$

C) \$6/10\$

D) \$9/20\$

Suppose you have a standard deck of 52 playing cards. If you draw two cards at random without replacement, what is the probability that both cards are face cards (i.e., jacks, queens, or kings)?

A) \$2/21\$

B) \$4/21\$

C) \$1/21\$

D) \$5/21\$