OCR•A-Level•Mathematics
🔔
Statistical Distributions
Discrete and continuous distributions including binomial and normal
Practice 26 subtopics in Statistical Distributions. All questions match the OCR A-Level specification.
About Statistical Distributions
Statistical Distributions is a key topic in the OCR A-Level Mathematicsspecification. This topic covers discrete and continuous distributions including binomial and normal.
Master all 26 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 (26)
🎲
Random Practice
Practice any subtopic from Statistical Distributions
Discrete random variablesProbability distributions as tablesSum of probabilities equals 1Expected value E(X) = Σx·P(X=x)Variance Var(X) = E(X²) - [E(X)]²Standard deviationE(aX + b) and Var(aX + b)Binomial distribution X ~ B(n, p)Conditions for binomial modelCalculating P(X = r) = ⁿCᵣpʳ(1-p)ⁿ⁻ʳMean E(X) = npVariance Var(X) = np(1-p)Cumulative binomial probabilitiesUsing calculator for binomialNormal distribution X ~ N(μ, σ²)Properties of normal distributionStandard normal Z ~ N(0, 1)Standardising: Z = (X - μ)/σFinding probabilities P(X < a)Using normal tablesUsing calculator for normal probabilitiesInverse normal calculationsFinding μ or σ from probabilitiesSelecting appropriate distributionsNormal approximation to binomialContinuity correction
Start Practicing Statistical Distributions
Choose any subtopic above to begin practicing with unlimited AI-generated questions.
Start with Discrete random variables