9709/51/O/N/22 · Statistics October/November 2022 Paper 51
6 questions, 50 marks. Each one links to its official mark scheme.
- Question 1 · 4 marks · Expectation and variance
- Question 2 · 8 marks · Binomial distribution, Normal approximation to the binomial
- Question 3 · 9 marks · Statistical diagrams, Cumulative frequency, median and quartiles
- Question 4 · 9 marks · Normal probabilities and standardisation, Inverse normal problems
- Question 5 · 10 marks · Addition, multiplication and tree diagrams, Exclusive and independent events, Conditional probability
- Question 6 · 10 marks · Selections and combinations, Arrangements and permutations
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.