What does "certain" mean in terms of probability?

• It will never happen

• It is equally likely to happen or not happen

• It will definitely happen

• It is highly unlikely to happen

Which of the following best describes an "impossible" event?

• Probability = 0

• Probability = 0.5

• Probability = 1

• Probability = unknown

What is the probability of rolling a 7 on a standard 6-sided die?

• 0

• 0.5

• 1

• 1/6

If an event is "likely" to happen, its probability is:

• 0

• Between 0 and 0.5

• Greater than 0.5 but less than 1

• Exactly 1

The word "equally likely" means:

• Both events have the same probability of occurring

• One event is certain, the other impossible

• One event has twice the chance of the other

• Both events are impossible

A bag contains 3 red, 2 blue, and 5 green marbles. What is the probability of drawing a red marble?

• 1/5

• 3/10

• 2/5

• 1/2

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

• 0

• 0.25

• 0.5

A spinner has 4 equal sections: red, blue, yellow, and green. What is the probability of landing on blue?

• 1/2

• 1/4

• 1/3

• 1/8

If you roll a die, what is the probability of rolling an even number?

• 1/2

• 1/3

• 2/3

• 1/6

A jar contains 6 chocolates and 4 candies. What is the probability of selecting a candy?

• 2/5

• 3/5

• 1/2

• 4/10