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GCSE Maths

Probability

The Product Rule for Counting

The Product Rule for Counting

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Key Points 

  • Used to find the total number of possible outcomes.

  • Multiply the number of choices for each stage.

  • The choices must be independent.

  • There is no need to list every outcome.

  • Useful for arranging objects, choosing outfits and counting combinations of options.


Keywords: product rule for counting, counting principle, total outcomes, combinations, arrangements, GCSE probability.

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