plumiLinear combinations of random variables: OCR A‑Level Further Maths questions
OCR A-Level Further Maths past-paper questions on 6.1 Linear combinations of random variables, 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 3 questions on Linear combinations of random variables, as a list
- June 2025, Statistics, Q4 (7 marks): In this question you must show the parameters of any distributions you use. The continuous random variable V has the distribution N(42, 32). The continuous rand
- June 2023, Statistics, Q3 (6 marks): The discrete random variable W has the distribution U(11). The independent discrete random variable V has the distribution U(5). (a) It is given that, for const
- June 2022, Statistics, Q5 (10 marks): A company uses two drivers for deliveries. Driver A charges a fixed rate of £80 per day plus £2 per mile travelled on that day. Driver B charges a fixed rate of
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