Connect the ideas
List every possible outcome without adding impossible outcomes.
Equal-sized, equally likely individual results can be grouped into outcomes with different chances.
Reset the chance device in the same way when repeating an experiment.
Record each trial once and check that counts add to the number of trials.
Observed counts can vary and do not guarantee the next result.
Topic test
Complete each paper and show your working.
Probability topic test
12 questions · 20 marks · 30 minutes · By hand
