Probability of Simple Events Quiz

What is the probability of an event that is certain to happen?

• 0

• 0.5

• 1

• 0.75

If a die is rolled, what is the probability of getting a number greater than 4?

• 1/2

• 1/3

• 2/3

• 1/6

A spinner has 8 equal sections numbered 1 to 8. What is the probability of landing on an even number?

• 5/8

• 1/4

• 1/2

• 3/8

What is the probability of rolling a 2, 3, or 4 on a standard die?

• 1/6

• 1/3

• 2/3

• 1/2

If a spinner with 10 sections is spun, what is the probability of landing on a vowel (A, E, I)?

• 1/5

• 1/2

• 1/10

• 3/10

What is the probability of not rolling a 6 on a standard die?

• 2/3

• 1/3

• 5/6

• 1/6

A spinner is divided into 8 sections. What is the probability of not landing on a 5?

• 1/8

• 3/4

• 1/2

• 7/8

What is the sum of the probabilities of an event and its complement?

• 0

• 1

• 2

• 0.5

If a sports team has a 75% chance of winning, what is the probability of them losing?

• 25%

• 50%

• 75%

• 100%

In a complementary event scenario, if the probability of an event is 0.2, what is the probability of its complement?

• 0.5

• 0.2

• 0.8

• 1