Independent and dependent events
What Independent and dependent events means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of Independent and dependent events
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Reference: AQA
For independent stages the probability on a second-stage branch is unchanged by the first-stage outcome; for dependent stages second-stage probabilities must be recalculated after the first stage.
For independent events, knowing one happened does not change the other; for dependent events, branch probabilities change.
Topics that use Independent and dependent events
- Probability (AQA GCSE)
- Probability (Pearson Edexcel GCSE)
Related terms
- Equally likely outcomes
- expected outcomes
- Independent Events
- Mutually Exclusive
- Mutually exclusive events
- Relative expected frequency
- relative frequency
- Sample space
Using Independent and dependent events in the exam
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