Probability Quiz

Question 1: What is the probability of rolling a 3 on a fair six-sided die?

• 1/4

• 1/3

• 1/2

• 1/6

Tags

CCSS.7.SP.C.7A

Question 2: If there are 4 red marbles, 3 blue marbles, and 2 green marbles in a bag, what is the probability of picking a blue marble?

• 2/9 or 2/9

• 3/9 or 1/3

• 1/4 or 25%

• 4/9 or 4/9

Tags

CCSS.7.SP.C.7B

Question 3: A bag contains 5 red balls, 3 blue balls, and 2 green balls. What is the probability of picking a red ball?

• 5/10

• 2/10

• 3/10

• 7/10

Tags

CCSS.7.SP.C.7B

Question 4: If there are 20 students in a class, and 8 of them are girls, what is the probability of randomly selecting a girl from the class?

• 0.8

• 0.4

• 0.6

• 0.2

Tags

CCSS.7.SP.C.7B

Question 5: Express the probability of flipping a coin and getting heads as a fraction.

• 1/3

• 3/4

• 1/2

• 2/3

Tags

CCSS.7.SP.C.7B

Question 6: If a spinner is divided into 4 equal sections, and one section is red, one section is blue, and two sections are green, what is the probability of landing on green?

• 0.75

• 1.0

• 0.5

• 0.25

Tags

CCSS.7.SP.C.7B

Question 7: A bag contains 3 red marbles and 2 blue marbles. If you pick one marble, replace it, and then pick again, what is the probability of picking a red marble both times?

• 2/5

• 1/4

• 3/5

• 9/25

Question 8: If there are 12 white socks, 8 black socks, and 5 blue socks in a drawer, what is the probability of picking a black sock and then a blue sock without replacement?

• 0.168

• 0.125

• 0.750

• 0.420

How many total combinations can you make from the following scenario? Two shirts, three pairs of pants and 2 pairs of shoes.

• 6

• 12

• 7

• 4