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AQA A-LEVEL FURTHER MATHEMATICS[ALL PAPERS] ||QUESTIONS & MARKING SCHEME MERGED||

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Answer all questions in the spaces provided. 1 The continuous random variable X has variance 9 The discrete random variable Y has standard deviation 2 and is independent of X Find Var(X + Y ) Circle your answer. [1 mark] 5 11 13 85 2 The random variable T has a discrete uniform distribution and takes the values 1, 2, 3, 4 and 5 Find the variance of

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