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Discrete random variables

Discrete random variables

A random variable is a quantity whose value depends on chance. It is discrete if it can only take separate countable values, such as 0,1,2,30, 1, 2, 30,1,2,3.

Statistical Distributions Lesson

  1. AS Level
  2. /Maths
  3. /Statistical Distributions

Step-by-step lessons on Edexcel AS Level Maths Statistical Distributions, covering 6.1 Probability Distributions, 6.2 The Binomial Distribution, and 6.3 Cumulative Probabilities. Each one builds up to exam-style questions. Build fluency in the core algebra, surds and trigonometry topics early, since they underpin the calculus, statistics and mechanics content that follows.

Lessons