Basic probability GCSE questions
Basic probability GCSE questions with worked answers. Attempt them first, then check. Full method is on the Basic probability lesson.
How to use this page
Cover the answers. Write your working. Then compare. Interactive marking and a personalised plan are on ReviseEasy.
Practice questions
Cover the answers and have a go first. Worked solutions are underneath.
A fair six-sided dice. P(even)?
A spinner has 3 red and 5 blue. P(red)?
P(rain) = 0.3. P(not rain)?
Common mistakes
- Writing probabilities as ratios instead of fractions, decimals or percentages as asked.
- Forgetting outcomes must be equally likely for the simple formula.
Answers and working
Frequently asked questions
Where is the full lesson?
See Basic probability: https://revise-easy.com/gcse-maths/probability/basic-probability/
Want unlimited practice?
ReviseEasy marks your answers instantly and builds a plan around the topics you keep dropping marks on.
Practise more on ReviseEasy →Related revision
More GCSE revision
ReviseEasy is a GCSE revision website, not a Maths-only site. Lessons, quizzes and flashcards are live for Maths, Combined Science, Triple Biology, Chemistry and Physics, English Language and English Literature. History, Geography and languages are next.