For a continuous random variable X having probability density function f Expectation (mean): E(X ) = μ = ∫x f(x) dx Variance: Var(X ) = σ 2 = ∫(x – μ) 2 f(x) dx = ∫x 2 f(x) dx – μ 2 For a function g(X ): E(g(X )) = ∫g(x) f(x) dx Cumulative distribution function: F(x 0 ) = P(X  x 0 ) =

Pearson Edexcel Level 3 Advanced Subsidiary and Advanced GCE Mathematics and Further Mathematics Mathematical formulae and statistical tables Formulae and statistical tables for AS and A-level Maths and Further Maths (7356, 7357, 7366, 7367) latest version is v1.5 (February 2018) Exam copies used in the summer 2019 exams can be re-used in future exams series if they remain clean, or can be given to students as classroom copies.formulae introduced in the appropriate Pure Mathematics papers for the qualification they are sitting. 1 AS Mathematics If A is the point with position vector a = a 1 i + a 2 j + a 3 k and the direction vector b is given by Latest versions of our AS and A-level Maths andFurther Maths formulae booklets are available for the summer 2020 exams. The formulae booklets can be found in assessment resources. Please make sure your students have the latest version. Maths & Further Maths Not-Formula Books (AQA) If you're looking for the Official AQA Formula Book for Maths A-level, this is it. If you want to know what it doesn't include, read on...

For a continuous random variable X having probability density function f Expectation (mean): E( X ) = μ = ∫ x f ( x ) d x Variance: Va r ( X ) = σ 2 = ∫( x – μ ) 2 f ( x ) d x = ∫ x 2 f ( x ) d x – μ 2 For a function g( X ): E(g( X )) = ∫g( x ) f ( x ) d x Cumulative distribution function: F( x 0 ) = P( X  x 0 ) =

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