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Practice Questions and Resources
Everything you need to master this topic.
Key Points
Frequency trees organise information using frequencies, not probabilities.
Start with the total frequency.
Split into categories using the given information.
Missing frequencies can be found by adding or subtracting.
Probabilities can then be calculated from the completed tree.
Keywords: frequency tree, frequencies, probability, totals, GCSE probability.
Step-by step tutorial
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