9709/51/M/J/21 · Statistics May/June 2021 Paper 51
7 questions, 50 marks. Each one links to its official mark scheme.
- Question 1 · 4 marks · Selections and combinations
- Question 2 · 5 marks · Normal probabilities and standardisation
- Question 3 · 8 marks · Arrangements and permutations, Sample spaces and counting probabilities
- Question 4 · 7 marks · Addition, multiplication and tree diagrams, Conditional probability
- Question 5 · 8 marks · Statistical diagrams, Mean and standard deviation, Cumulative frequency, median and quartiles
- Question 6 · 9 marks · Binomial distribution, Normal approximation to the binomial
- Question 7 · 9 marks · Addition, multiplication and tree diagrams, Probability distributions, Expectation and variance
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.