9709/53/O/N/23 · Statistics October/November 2023 Paper 53
6 questions, 50 marks. Each one links to its official mark scheme.
- Question 1 · 6 marks · Probability distributions, Expectation and variance
- Question 2 · 6 marks · Normal probabilities and standardisation, Inverse normal problems
- Question 3 · 7 marks · Addition, multiplication and tree diagrams, Conditional probability
- Question 4 · 10 marks · Cumulative frequency, median and quartiles, Mean and standard deviation
- Question 5 · 11 marks · Geometric distribution, Binomial distribution, Normal approximation to the binomial
- Question 6 · 10 marks · Arrangements and permutations, Sample spaces and counting probabilities
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.