plumiThe Poisson distribution: WJEC A‑Level Maths questions
WJEC A-Level Maths past-paper questions on 4.4 The Poisson distribution, 2018–2025, with mark schemes and examiner’s reports where available. Add MadAsMaths questions to your practice, or browse them separately by topic and difficulty.
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All 6 questions on The Poisson distribution, as a list
- Summer 2025, AS Unit 2, Q1 (6 marks): 1. Financial transactions on a network occur at an average rate of one every 10 minutes. Transactions occur singly, randomly and independently. (a) Stating an a
- Summer 2024, AS Unit 2, Q2 (10 marks): A baker sells 3.5 birthday cakes per hour on average. 2. (a) State, in context, two assumptions you would have to make in order to model the number of birthday
- Summer 2023, AS Unit 2, Q4 (6 marks): 4 Sources of the radioactive element caesium each emit radioactive particles at an average rate of 4 per second. The numbers of emissions are modelled by a Pois
- Summer 2022, AS Unit 2, Q3 (6 marks): 3 In a study, samples of soil were collected during the summer. Soil samples of dimensions 25 cm × 25 cm × 40 cm were collected for analysis. The study found th
- Summer 2019, AS Unit 2, Q3 (7 marks): 3 The number of patients arriving at the Accident and Emergency (A&E) department of a hospital has a mean of 5.3 per hour. A Poisson distribution is used to mod
- Summer 2018, AS Unit 2, Q3 (6 marks): Naomi produces oak tabletops, each of area 4.8 m2. Defects in the oak tabletops occur 0 3 randomly at a rate of 0.25 per m2. a) Find the probability that a rand
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