Predicting Outcomes

Craig rolls a fair number cube 24 times. How many times can he expect to roll the number 5?

• 4 times

• 6 times

• 12 times

• 5 times

8. Gabe took a survey of students in his school to see how many have a pet. He surveyed 48 students, and 30 said they have a pet. Based on Gabe’s survey, if there are 600 students in his school, how many should he expect to have a pet?

• 375

• 420

• 350

• 400

Kiera watched these 5 cars pass by her house. If 100 cars passed by her house, how many would you predict would be green?

• 5

• 10

• 40

• 20

Marco spun this spinner 20 times. How many times would you predict he landed on red?

• 10

• 20

• 5

• 7

In this jar of 20 jellybeans, 8 are pink. How many jellybeans would be pink if the jar had 100 jellybeans?

• 45

• 40

• 38

• 28

WHAT IS THE SIGNIFICANCE OF PROBABILITY IN REAL-LIFE PROBLEMS?

• IT HELPS IN PREDICTING OUTCOMES

• IT IS A NUMBER.

• IT SOLVES THE PROBLEM.

• IT HAS NO SIGNIFICANCE

It is a set of all possible outcomes of an experiment.

• Probability

• Event

• Sample Space

• Sample Point

A set of all possible outcomes is known as - 

• list

• complement

• sample space

• event

A spinner numbered 1-6 with 6 equal sections is spun 12 times. In theory, how many times would you expect to land on a section less than 5?

• 8

• 12

• 6

• 48

• 3

• 60

• 20

• 100