Statistics past papers › Topics

Expectation and variance past paper questions

Statistics 9709 · Discrete random variables. Calculate E(X) and Var(X) for a discrete probability distribution.

In Cambridge A Level Statistics 9709, Expectation and variance came up in 32 of the 42 papers on Paperstreak, for about 3 marks a paper when it does. It last came up in October/November 2025.

Often set with Probability distributions, Addition, multiplication and tree diagrams, Geometric distribution, Binomial distribution.

32 questions, newest first

1. 9709/51/O/N/25 Question 1 part (b) · 1 mark
2. 9709/52/O/N/25 Question 2 part (b) · 3 marks
3. 9709/53/O/N/25 Question 4 part (b) · 3 marks
4. 9709/52/F/M/25 Question 1 part (c) · 2 marks
5. 9709/51/O/N/24 Question 2 part (b) · 3 marks
6. 9709/52/O/N/24 Question 3 part (b) · 3 marks
7. 9709/53/O/N/24 Question 2 part (b) · 1 mark
8. 9709/52/M/J/24 Question 5 part (c) · 3 marks
9. 9709/53/M/J/24 Question 1 part (b) · 3 marks
10. 9709/52/F/M/24 Question 5 part (c) · 3 marks
11. 9709/52/O/N/23 Question 1 · 5 marks
12. 9709/53/O/N/23 Question 1 part (b) · 3 marks
13. 9709/51/M/J/23 Question 6 part (c) · 2 marks
14. 9709/52/M/J/23 Question 1 part (b) · 3 marks
15. 9709/53/M/J/23 Question 3 part (c) · 2 marks
16. 9709/52/F/M/23 Question 2 part (c) · 2 marks
17. 9709/51/O/N/22 Question 1 · 4 marks
18. 9709/51/M/J/22 Question 4 part (b) · 1 mark
19. 9709/52/M/J/22 Question 2 part (b) · 3 marks
20. 9709/53/M/J/22 Question 3 part (b) · 3 marks
21. 9709/52/F/M/22 Question 1 part (b) · 2 marks
22. 9709/51/O/N/21 Question 4 part (b) · 3 marks
23. 9709/52/O/N/21 Question 3 part (c) · 1 mark
24. 9709/53/O/N/21 Question 6 parts (a) (b) · 6 marks
25. 9709/51/M/J/21 Question 7 part (c) · 3 marks
26. 9709/52/M/J/21 Question 4 part (b) · 3 marks
27. 9709/52/F/M/21 Question 4 part (b) · 4 marks
28. 9709/52/O/N/20 Question 2 part (c) · 2 marks
29. 9709/53/O/N/20 Question 6 part (c) · 2 marks
30. 9709/52/M/J/20 Question 5 part (c) · 3 marks
31. 9709/53/M/J/20 Question 4 part (b) · 3 marks
32. 9709/52/F/M/20 Question 2 part (c) · 2 marks

More in Discrete random variables: Probability distributions, Binomial distribution, Geometric distribution.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.