Discrete random variables
Discrete random variables
A random variable assigns a numerical value to each outcome of a random process. A discrete random variable XXX takes separate, countable values, such as the number of heads in two coin tosses.
Step-by-step lessons on AQA A Level Maths 2.4.1 Discrete distributions and the binomial. Each one builds up to exam-style questions. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.