9709/53/O/N/20 · Statistics October/November 2020 Paper 53
7 questions, 50 marks. Each one links to its official mark scheme.
- Question 1 · 6 marks · Normal probabilities and standardisation, Inverse normal problems
- Question 2 · 5 marks · Geometric distribution
- Question 3 · 6 marks · Selections and combinations
- Question 4 · 8 marks · Binomial distribution, Normal approximation to the binomial
- Question 5 · 7 marks · Sample spaces and counting probabilities, Conditional probability
- Question 6 · 8 marks · Addition, multiplication and tree diagrams, Probability distributions, Expectation and variance
- Question 7 · 10 marks · Statistical diagrams, Cumulative frequency, median and quartiles, Mean and standard deviation
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.