9231/41/O/N/25Oct–Nov 2025Question 1[6 marks]
Inference Using Normal and t-Distributions
Every 9231 Further Probability & Statistics past-paper question on inference using normal and t-distributions — each with its official Cambridge mark scheme. Pick a year.
65 past-paper questions · 2020–2025
9231/43/O/N/25Oct–Nov 2025Question 1[6 marks]
9231/42/O/N/25Oct–Nov 2025Question 2[7 marks]
9231/41/O/N/25Oct–Nov 2025Question 3[4 marks]
9231/43/O/N/25Oct–Nov 2025Question 3[4 marks]
9231/42/O/N/25Oct–Nov 2025Question 5[9 marks]
9231/41/O/N/25Oct–Nov 2025Question 6[9 marks]
9231/43/O/N/25Oct–Nov 2025Question 6[9 marks]
9231/41/M/J/25May–June 2025Question 1[7 marks]
9231/42/M/J/25May–June 2025Question 1[7 marks]
9231/43/M/J/25May–June 2025Question 2[7 marks]
9231/41/M/J/25May–June 2025Question 4[7 marks]
9231/42/M/J/25May–June 2025Question 4[7 marks]
9231/43/M/J/25May–June 2025Question 5[8 marks]
