AQA•A-Level•Mathematics
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Statistical Distributions
Discrete and continuous distributions including binomial and normal
Practice 22 subtopics in Statistical Distributions. All questions match the AQA A-Level specification.
About Statistical Distributions
Statistical Distributions is a key topic in the AQA A-Level Mathematicsspecification. This topic covers discrete and continuous distributions including binomial and normal.
Master all 22 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (22)
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Discrete random variablesProbability distributionsExpected value E(X)Variance Var(X)E(aX + b) and Var(aX + b)Binomial distribution: X ~ B(n, p)Conditions for binomial distributionCalculating binomial probabilitiesMean of binomial: E(X) = npVariance of binomial: Var(X) = np(1-p)Using binomial tablesCumulative binomial probabilitiesNormal distribution: X ~ N(mu, sigma^2)Standard normal distribution Z ~ N(0, 1)Properties of normal distributionUsing normal distribution tablesFinding probabilities using normal distributionInverse normal: finding x from probabilityStandardising: Z = (X - mu)/sigmaSelecting appropriate distributionApproximations between distributionsBinomial approximation to normal
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Start with Discrete random variables