QuestionQuestionConceptConceptDocumentDocument

8. Probability

Start with Concept to understand a topic, then use Question Bank to check what you know.

3 topics · 6 learning objectives

Your progress

Sign in to see your mastery and mistakes.

  1. C8.1 Introduction to probability

    1. C8.1.1Understand and use the probability scale from 0 to 1.

      • Understand and use the probability scale from 0 to 1.

    2. C8.1.2Calculate the probability of a single event.

      • Calculate the probability of a single event.

    3. C8.1.3Understand that the probability of an event not occurring = 1 – the

      • Understand that the probability of an event not occurring = 1 – the probability of the event occurring. Probability notation is not required. Probabilities should be given as a fraction, decimal or percentage. Problems may require using information from tables, graphs or Venn diagrams (limited to two sets). e.g. The probability that a counter is blue is 0.8. What is the probability that it is not blue?

  2. C8.2 Relative and expected frequencies

    1. C8.2.1Understand relative frequency as an estimate of probability.

      • Understand relative frequency as an estimate of probability.

    2. C8.2.2Calculate expected frequencies

      • Calculate expected frequencies. e.g. use results of experiments with a spinner to estimate the probability of a given outcome. e.g. use probability to estimate an expected value from a population. Includes understanding what is meant by fair, bias and random.

  3. C8.3 Probability of combined events

    1. C8.3.1

      • Calculate the probability of combined events using, where appropriate: • sample space diagrams • Venn diagrams • tree diagrams. Combined events will only be with replacement. Venn diagrams will be limited to two sets. In tree diagrams, outcomes will be written at the end of the branches and probabilities by the side of the branches.