AS & A Level Further Mathematics (9231)
Probability generating functions Banker
9 questions · about 3% of the marks we indexed · examined in 9 of 9 sessions.
Questions by year
2026
- 2026 May/June · Paper 42 · Q6 (a, b, c)10 marksFinding & using a PGF · Mean & variance from a PGF · PGF of a sum of independent variables
2025
- 2025 Oct/Nov · Paper 42 · Q6 (a, b)10 marksMean & variance from a PGF · PGF of a sum of independent variables
- 2025 May/June · Paper 42 · Q6 (a, b, c)6 marksFinding & using a PGF · Mean & variance from a PGF
2024
- 2024 Oct/Nov · Paper 42 · Q2 (a, b, c, d)8 marksFinding & using a PGF · Mean & variance from a PGF · PGF of a sum of independent variables
- 2024 May/June · Paper 42 · Q4 (a, b, c)7 marksFinding & using a PGF · Mean & variance from a PGF · PGF of a sum of independent variables
2023
- 2023 Oct/Nov · Paper 42 · Q3 (a, b, c)10 marksFinding & using a PGF · Mean & variance from a PGF · PGF of a sum of independent variables
- 2023 May/June · Paper 42 · Q5 (a, b, c)9 marksFinding & using a PGF · Mean & variance from a PGF · PGF of a sum of independent variables
2022
- 2022 Oct/Nov · Paper 42 · Q5 (a, b, c, d)9 marksFinding & using a PGF · Mean & variance from a PGF · PGF of a sum of independent variables
- 2022 May/June · Paper 42 · Q2 (a, b)7 marksMean & variance from a PGF · PGF of a sum of independent variables
No questions match this filter.
Find the full paper on the official Cambridge past-papers page or ask your school. “Paper 42” means Paper 4, variant 2.
Similar questions
Questions that test the same subtopic in different years. Practise them together to master one skill.
Mean & variance from a PGF Banker9 questions · 9/9 sessions
PGF of a sum of independent variables Banker8 questions · 8/9 sessions
Finding & using a PGF 7 questions · 7/9 sessions
Subtopics
| Subtopic | Marks indexed | Sessions |
|---|---|---|
| Mean & variance from a PGF Banker | 29 | 9/9 |
| PGF of a sum of independent variables Banker | 24 | 8/9 |
| Finding & using a PGF | 23 | 7/9 |