Statistics 1: The Normal Distribution

A free the normal distribution worksheet for A-Level and International A-Level Maths, covering the the normal distribution content of Statistics 1. It works through the addition formulae, finding compound values, proving identities, solving compound-angle equations and problem solving. Questions are grouped into fluency, reasoning and problem solving, so you build the technique first and then apply it to the kind of unfamiliar, multi-step questions that separate grades in the exam. Written to match the style and presentation of Edexcel International A-Level and 9MA0. Full step-by-step solutions are provided in a separate PDF, so you can check your method as well as your answer.