Course review

4.2 Statistics and probability - AHL content

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Learning objective

AHL 4.13 (HL)—Bayes' theorem

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• Use Bayes' theorem for up to three events. • Connect to conditional probability and independent events.

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Learning objective

AHL 4.14 (HL)—Random variables and probability density

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• Use variance of a discrete random variable. • Use continuous random variables and probability density functions, including piecewise functions. • Find mode, median, mean, variance and standard deviation for random variables. • Use E(X), E(X^2), Var(X)=E(X^2)-[E(X)]^2 and linear transformations.

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