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Describe likelihood on the 0 to 1 probability scale

7th grade (Year 8 in England) · 16 questions · Common Core: 7.SP.C.5 · England: KS3 Probability

Name

Date

Score/ 16

1
Question 1
Which of these could NOT be a probability?
- A. 1.2
- B. 3/8
- C. 0.05
- D. 1
2
Question 2
An event has probability 0. How would you describe it?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
3
Question 3
How likely is rolling a number greater than 1 on a normal die?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
4
Question 4
Which of these could NOT be a probability?
- A. 1.2
- B. 0
- C. 1
- D. 0.75
5
Question 5
An event has probability 1. How would you describe it?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
6
Question 6
How likely is rolling a 6 on a normal die?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
7
Question 7
Which of these could NOT be a probability?
- A. 1
- B. 0.05
- C. 110%
- D. 45%
8
Question 8
An event has probability 0.7. How would you describe it?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
9
Question 9
How likely is picking a red card from a bag of 9 red and 1 blue card?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
10
Question 10
Which of these could NOT be a probability?
- A. 1
- B. 110%
- C. 0.05
- D. 45%
11
Question 11
An event has probability 0.95. How would you describe it?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
12
Question 12
How likely is picking a red card from a bag of 9 red and 1 blue card?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
13
Question 13
Which of these could NOT be a probability?
- A. 0.75
- B. 0
- C. 1.2
- D. 3/8
14
Question 14
An event has probability 0.5. How would you describe it?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
15
Question 15
How likely is a fair coin landing heads?
- A. Impossible
- B. Unlikely
- C. Even chance
- D. Likely
- E. Certain
16
Question 16
Which of these could NOT be a probability?
- A. 45%
- B. 3/8
- C. 1.2
- D. 0.05

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Answer key: Describe likelihood on the 0 to 1 probability scale

1. A. 1.2
2. A. Impossible
3. D. Likely
4. A. 1.2
5. E. Certain
6. B. Unlikely
7. C. 110%
8. D. Likely
9. D. Likely
10. B. 110%
11. D. Likely
12. D. Likely
13. C. 1.2
14. C. Even chance
15. C. Even chance
16. C. 1.2