Geo eLearning S2 Final Review (Part 2)

What is the probability of rolling a number cube and getting a number less than 5?

• 5/6

• 1/3

• 1/2

• 2/3

What is the probability of picking a green ball out of a bag that has 8 blue balls, 6 green balls, 10 red balls, and 3 yellow balls?

• 6/21

• 6/27

• 1/6

• 8/27

There is a 0.6 probability that it will rain today. What is the probability it will not rain today?

• 0.6

• 0.4

• 0.36

• 0.16

A student from the table is chosen at random. What is the probability that the student does not have a dog?

• 0.2

• 0.4

• 0.6

• 0.8

A video game randomly chooses your car color and type. The probability of getting a red car is 0.20, and the probability of getting a convertible is 0.40. What is the probability the game gives you car that is red and a convertible?

• 0.60

• 0.08

• 0.20

• 1.00

At the gift shop at the Henry Doorly Zoo in Omaha, Nebraska, there is a 0.28 chance a customer buys a stuffed animal, a 0.11 probability a customer buys a plastic toy, and a 0.04 probability that a customer buys both a stuffed animal and a plastic toy. What is the probability that a customer buys a stuffed animal or a plastic toy?

• 0.13

• 0.43

• 0.21

• 0.35

At a high school, the probability that a student is a senior is 0.25. The probability that a student plays a sport is 0.20. The probability that a student is a senior and plays a sport is 0.08.

What is the probability that a randomly selected student plays a sport, given that the student is a senior?

• 0.08

• 0.25

• 0.32

• 0.17

This table shows how many male and female students attended two different movies. What is the probability that a randomly chosen person from this group is male? Round your answer to two decimal places.

• 0.23

• 0.48

• 0.43

• 0.11

At a competition with 6 runners, 6 medals are awarded for first place through sixth place. Each medal is different. How many ways are there to award the medals?

Decide if the situation involves a permutation or a combination, and then find the number of ways to award the medals.

• Permutation; number of ways = 720

• Permutation; number of ways = 1

• Combination; number of ways = 720

• Combination; number of ways = 1

At a competition with 7 runners, 2 medals are awarded for first and second place.

Each medal is different. How many ways are there to award the medals?

• 21

• 42

• 5040

• 49