Percent Complement

What's the probability of the complement of spinning on black as a fraction?

• 1/4

• 7/8

• 8/8

• 1/8

What's the complement of drawing a blue marble written as a percent?

• 33.3%

• 66.67%

• 8/12

• 80%

What's the probability of the complement of drawing a blue card, written as a percent?

• 33.33%

• 30%

• 50%

• 66.67%

According to an online survey, 56% of all college students have a car on campus. Suppose two students are chosen at random. What is the probability that at least one of the students does not have a car on campus? Write your answer as a percent. Round to the nearest tenth, if necessary.

30% of the people in the cafeteria ordered pizza.  If there are 120 people in the cafeteria, how many people DID NOT order pizza?

• 36 people

• 112 people

• 84 people

• 34 people

If 72% of people like chocolate, what percentage do not?

• 28%

• 38%

• 72%

• 32%

According to a survey, 54% of all people have at least one pet. Two people are chosen at random. What is the probability that at least one of the students has no pets? Write your answer as a percent. Round to the nearest tenth, if necessary.

According to a survey, 62% of Americans go on vacation each year. Two Americans are randomly chosen. What is the probability that at least one of them does not go on vacation each year? Write your answer as a percent. Round to the nearest tenth, if necessary.

According to a survey, 38% of all high school students have a study hall in their schedule. Two students are randomly chosen. What is the probability that at least one of the students does not have a study hall in their schedule? Write your answer as a percent. Round to the nearest tenth, if necessary.

The circle has a radius of 12 and the rectangle is 13 by 7. If a point is randomly selected inside the circle, what is the probability that it is inside the shaded region? Write your answer as a percent. Round to the nearest tenth, if necessary.