Independent events
What Independent events means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of Independent events
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Reference: Pearson Edexcel
Events that have no influence on each other, so P(A ∩ B) = P(A) × P(B), which is the key test and calculation tool.
Two events where the occurrence of one does not affect the probability of the other, so P(A and B) = P(A) × P(B).
Events A and B are independent if the occurrence of one has no influence on the probability of the other.
Topics that use Independent events
- M: Probability (AQA A-Level)
- Probability (Pearson Edexcel A-Level)
- Probability (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- mutually exclusive events
- addition rule
- Conditional probability
- Event
- multiplication rule
- sample space
- Tree diagrams
- Two-way tables
Using Independent events in the exam
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