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Inverse normal problems past paper questions

Statistics 9709 · The normal distribution. Find thresholds, means or standard deviations from normal probabilities.

In Cambridge A Level Statistics 9709, Inverse normal problems came up in 40 of the 42 papers on Paperstreak, for about 4 marks a paper when it does. It last came up in October/November 2025.

Often set with Normal probabilities and standardisation, Binomial distribution, Normal approximation to the binomial.

40 questions, newest first

1. 9709/51/O/N/25 Question 6 part (b) · 5 marks
2. 9709/52/O/N/25 Question 3 part (b) · 3 marks
3. 9709/53/O/N/25 Question 7 part (b) · 3 marks
4. 9709/51/M/J/25 Question 1 · 3 marks
5. 9709/52/M/J/25 Question 7 part (b) · 5 marks
6. 9709/53/M/J/25 Question 6 part (c) · 5 marks
7. 9709/52/F/M/25 Question 5 part (b) · 3 marks
8. 9709/51/O/N/24 Question 6 part (a) · 5 marks
9. 9709/52/O/N/24 Question 4 part (b) · 3 marks
10. 9709/53/O/N/24 Question 3 part (b) · 4 marks
11. 9709/51/M/J/24 Question 2 part (b) · 3 marks
12. 9709/52/M/J/24 Question 3 part (b) · 3 marks
13. 9709/53/M/J/24 Question 2 part (b) · 5 marks
14. 9709/52/F/M/24 Question 4 part (b) · 3 marks
15. 9709/51/O/N/23 Question 3 part (b) · 3 marks
16. 9709/52/O/N/23 Question 5 part (a(ii)) · 3 marks
17. 9709/53/O/N/23 Question 2 part (b) · 3 marks
18. 9709/51/M/J/23 Question 4 part (b) · 5 marks
19. 9709/52/M/J/23 Question 5 part (b) · 3 marks
20. 9709/53/M/J/23 Question 6 part (a) · 3 marks
21. 9709/52/F/M/23 Question 6 part (c) · 5 marks
22. 9709/51/O/N/22 Question 4 part (b) · 3 marks
23. 9709/53/O/N/22 Question 5 part (c) · 3 marks
24. 9709/51/M/J/22 Question 5 part (b) · 5 marks
25. 9709/52/M/J/22 Question 4 part (b) · 4 marks
26. 9709/53/M/J/22 Question 5 part (c) · 3 marks
27. 9709/52/F/M/22 Question 4 part (b) · 3 marks
28. 9709/51/O/N/21 Question 7 part (b) · 3 marks
29. 9709/52/O/N/21 Question 6 part (b) · 3 marks
30. 9709/53/O/N/21 Question 4 part (c) · 3 marks
31. 9709/52/M/J/21 Question 2 · 4 marks
32. 9709/53/M/J/21 Question 5 part (a) · 5 marks
33. 9709/52/F/M/21 Question 3 part (b) · 3 marks
34. 9709/51/O/N/20 Question 5 part (b) · 3 marks
35. 9709/52/O/N/20 Question 3 part (b) · 3 marks
36. 9709/53/O/N/20 Question 1 part (b) · 3 marks
37. 9709/51/M/J/20 Question 6 part (b) · 5 marks
38. 9709/52/M/J/20 Question 4 part (c) · 3 marks
39. 9709/53/M/J/20 Question 3 part (b) · 3 marks
40. 9709/52/F/M/20 Question 3 part (a) · 3 marks

More in The normal distribution: Normal probabilities and standardisation, Normal approximation to the binomial.

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