Probability Quiz

1. What is probability?

A number greater than 1
A way to measure how likely something is to happen
Always equal to 100

Probability tells us how likely an event is to happen.

2. Probability of flipping heads?

1/4
1/2
1

A fair coin has 2 equal outcomes, so probability is 1/2.

3. Probability of rolling a 3?

1/6
1/3
1/2

There are 6 outcomes and only one is a 3 → 1/6.

4. Which probability is impossible?

0
1/2
1

A probability of 0 means it cannot happen.

5. Which probability is certain?

0
1
1/2

A probability of 1 means it will definitely happen.

6. Probability of picking red (3 red, 2 blue)?

3/5
2/5
1/2

Total = 5 marbles, 3 are red → 3/5.

7. Spinner with 4 equal colors: probability of green?

1/4
1/2
1/3

Each of 4 equal sections → 1 out of 4.

8. Probability of picking a heart?

1/4
1/13
1/2

13 hearts out of 52 cards → 1/4.

9. Probability of chocolate (6 out of 10)?

3/5
2/5
1/2

6/10 simplifies to 3/5.

10. Probability of an even number?

1/2
1/3
2/3

Even numbers (2,4,6) → 3 out of 6 = 1/2.

🎲 Probability Quiz