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Topic 50Mathematics (Edexcel)

The Binomial Distribution

The Binomial Distribution — Edexcel International A-Level Mathematics (Unit 9 / Statistics 2 (S2)). Covers: Modelling with the Binomial Distribution.

Practice questions
1

Modelling with the Binomial DistributionSign up

understand the conditions under which a random variable can be modelled by B(n, p): a fixed number of independent trials with two outcomes and constant probability of success · be able to calculate probabilities, expectation E(X) = np and variance Var(X) = np(1 - p) for a binomially distributed variable

40 min