8. Probability
- Syllabus
- 0580–2028–2029
- Section
- 8
- Level
- Core
Exam analysis
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In this section
Topic C8.1
C8.1 Introduction to probability
Objectives in this topic
C8.1.1 Understand and use the probability scale from 0 to 1.
- Understand and use the probability scale from 0 to 1.
C8.1.2 Calculate the probability of a single event.
- Calculate the probability of a single event.
C8.1.3 Understand 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?
Topic C8.2
C8.2 Relative and expected frequencies
Objectives in this topic
C8.2.1 Understand relative frequency as an estimate of probability.
- Understand relative frequency as an estimate of probability.
C8.2.2 Calculate 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.
Topic C8.3
C8.3 Probability of combined events
Objectives in this topic
C8.3.1 Calculate the probability of combined events using, where appropriate:
- 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.