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Data Interpretation and Probability · Spring Term

Tree Diagrams for Dependent Events

Students will use tree diagrams to represent and calculate probabilities of combined dependent events (without replacement).

Key Questions

  1. Explain how the probability of an event changes if the previous outcome is not replaced.
  2. Compare the structure of tree diagrams for independent versus dependent events.
  3. Assess the impact of sampling without replacement on subsequent probabilities.

National Curriculum Attainment Targets

KS3: Mathematics - Probability
Year: Year 9
Subject: Mathematics
Unit: Data Interpretation and Probability
Period: Spring Term

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