What Is a Tree Diagram? A tree diagram is a tool in the fields of general mathematics, probability, and statistics that helps calculate the number of possible outcomes of an event or problem, and ...

GCSE AQA Probability - AQA Conditional probability - Higher Probabilities can be written as fractions, decimals or percentages on a scale from 0 to 1. Knowing basic facts about equally likely ...

GCSE Edexcel Probability - Edexcel Conditional probability - Higher Probabilities can be written as fractions, decimals or percentages on a scale from 0 to 1.