probability unit test

Answer 1

1. What is the probability of flipping a coin and getting heads?

A. 1/2
B. 1/4
C. 3/4
D. 1

Answer: A. 1/2

2. If there are 5 red marbles, 3 blue marbles, and 2 green marbles in a bag, what is the probability of randomly selecting a red marble?

A. 1/2
B. 1/5
C. 5/10
D. 5/10

Answer: C. 5/10

3. If a standard deck of cards is shuffled and one card is drawn, what is the probability of drawing a spade?

A. 1/13
B. 1/4
C. 1/52
D. 1/2

Answer: B. 1/4

4. A bag contains 8 red balls, 4 blue balls, and 3 green balls. What is the probability of randomly selecting a blue ball?

A. 1/15
B. 4/15
C. 1/4
D. 4/15

Answer: D. 4/15

5. If a die is rolled, what is the probability of getting a prime number (2, 3, 5)?

A. 1/2
B. 1/3
C. 1/6
D. 1/4

Answer: B. 1/3