Probability
What probability means
Basic probability rules and distributions.
Before you start
Not confident yet? Work through Summarising Data first.
Worked example
One question from this skill's own question bank, shown with its full working.
The probability of rolling a 3 on a fair six-sided die is
- 1/6
- 1/3
- 1/2
- 3/6
Working: One favourable outcome out of six equally likely outcomes.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Descriptive Statistics & Probability skills in Statistics & Data Science, at the same point in the course.
Other Statistics & Data Science topics
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Practise probability
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.