plumiCombinations of random variables: Edexcel A‑Level Further Maths questions
Every Edexcel A-Level Further Maths exam question on FS.6 Combinations of random variables, 2018–2025, with its mark scheme and examiner’s report.
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All 6 questions on Combinations of random variables, as a list
- June 2024, Further Statistics 2, Q8 (9 marks): A company packs chickpeas into small bags and large bags. The weight of a small bag of chickpeas is normally distributed with mean 500 g and standard deviation
- June 2023, Further Statistics 2, Q4 (8 marks): The weights of eggs, E grams, follow a normal distribution, N(60, 32) The weights of empty small boxes, S grams, follow a normal distribution, N(24, 1.82) The w
- June 2022, Further Statistics 2, Q3 (6 marks): The random variable X ~ N(5, 0.42) and the random variable Y ~ N(8, 0.12) X and Y are independent random variables. A random sample of a independent observation
- November 2021, Further Statistics 2, Q7 (14 marks): The weights of a particular type of apple, A grams, and a particular type of orange, R grams, each follow independent normal distributions. A ~ N(160, 122) R ~
- November 2020, Further Statistics 2, Q7 (17 marks): 7 Fence panels come in two sizes, large and small. The lengths of the large panels are normally distributed with mean 198 cm and standard deviation 5 cm. The le
- June 2019, Further Statistics 2, Q7 (14 marks): 7 A manufacturer makes two versions of a toy. One version is made out of wood and the other is made out of plastic. The weights, W kg, of the wooden toys are no
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