Key term for Edexcel GCSE Mathematics, used in Probability Principles.
The mathematical rule stating that for mutually exclusive events, the probability of either event occurring is the sum of their individual probabilities.
Addition Law appears in Edexcel GCSE Mathematics revision content for Probability, especially Probability Principles and Outcome Sets.
Create a free account to access Edexcel GCSE Mathematics revision notes, track progress, and practise related key terms.