Data Handling and Probability · Statistics and Probability

Probability of Combined Events

Using sample space diagrams and tree diagrams to calculate probabilities of multiple outcomes.

Key Questions

  1. 1How does the probability of an event change if the previous outcome is not replaced?
  2. 2Why do we multiply probabilities for 'and' events but add them for 'or' events?
  3. 3How can we use theoretical probability to predict the results of a large number of trials?

National Curriculum Attainment Targets

KS3: Mathematics - Probability
Year: Year 8
Subject: Mathematics
Unit: Data Handling and Probability
Period: Statistics and Probability

Suggested Methodologies

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