tree diagrams
What tree diagrams means in Mathematics GCSE, as defined for Pearson Edexcel.
Definitions of tree diagrams
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Reference: Pearson Edexcel
A representation used for sequential events, where probabilities are multiplied along each path and non-overlapping paths are added when any satisfies the question.
A diagram for sequential events where the first branches show the first choice and new branches from each show the second, each path being a unique outcome.
Topics that use tree diagrams
- Probability (Pearson Edexcel GCSE)
Related terms
- bias
- Conditional probability
- Equally likely outcomes
- Event
- Expected frequencies
- Expected frequency
- expected outcomes
- Fair randomising device
Using tree diagrams in the exam
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