Probability and Predictions, Circle Spiral

What is the probability of rolling a 5 on a fair six-sided die?

• 1/3

• 1/2

• 1/6

• 2/5

If the probability of rain on a given day is 0.3, what is the probability of no rain on that day?

• 0.5

• 1.0

• 0.3

• 0.7

A bag contains 8 red marbles and 4 blue marbles. What is the probability of drawing a blue marble?

• 1/8

• 3/4

• 2/3

• 1/3

If the probability of winning a game is 0.6, what is the probability of losing the game?

• 1.0

• 0.4

• 0.8

• 0.2

In a class of 30 students, 18 are girls. What is the probability of selecting a boy at random from the class?

• 0.4

• 1.2

• 0.2

• 0.6

Tags

CCSS.7.RP.A.3

If the theoretical probability of an event is 0.25, what is the experimental probability if the event occurred 15 times out of 50 trials?

• 0.5

• 0.3

• 0.2

• 0.75

A spinner is divided into 8 equal sections. What is the probability of the spinner landing on a section marked with a prime number?

• 1/2

• 1/4

• 1/3

• 3/8

If the circumference of a circle is 36π, what is the radius of the circle?

• 12

• 30

• 24

• 18

A circular swimming pool has a diameter of 20 meters. What is the area of the pool?

• 40 square meters

• 15.71 square meters

• 314.16 square meters

• 628.32 square meters

In a survey, 60% of people prefer chocolate ice cream over vanilla. If 200 people were surveyed, how many are likely to prefer vanilla ice cream?

• 150

• 80

• 40

• 120

Tags

CCSS.6.RP.A.3C