Probability basics
Probability basics
Probability measures how likely an event is, with 000 representing an impossible outcome and 111 representing a certain one. The sample space is the set of all possible outcomes, and an event is any chosen outcome or group of outcomes.
Step-by-step lessons on Edexcel A Level Maths Probability, covering 5.1 Calculating Probabilities, 5.2 Venn Diagrams, 5.3 Mutually Exclusive and Independent Events, and 5.4 Tree Diagrams. 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.