GCSE Maths
GCSE Maths Probability Trees Exam Questions
Free GCSE Maths exam questions on Probability Trees, with full model answers. Covers drawing and using tree diagrams for independent and dependent events.
Probability Trees exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
About GCSE Maths Probability Trees
Probability Trees is a Grade 5+ GCSE Maths topic, so it mostly comes up on Foundation and Higher tier papers. These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE. Work through the pack without notes, then mark every answer against the model answers and redo any you got wrong a few days later.
What you need to know
- Multiply along For AND.
- Add For OR between outcomes.
- Without replacement Change the second probabilities.
Common mistakes in Probability Trees
- Adding along branches.
- Not changing totals without replacement.
Try two Probability Trees exam-style questions
1. P(rain) = 0.3 each day. Find P(rain both days). (1 mark)
Show the mark scheme answer
0.09
2. Find P(rain on exactly one day). (2 marks)
Show the mark scheme answer
0.42
Probability Trees FAQs
Which exam boards include Probability Trees?
These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE.
What grade is Probability Trees in GCSE Maths?
It is a Grade 5+ topic, so it mostly appears on Foundation and Higher tier papers.
How should I use these Probability Trees questions?
Answer every question without notes, then check each answer against the model answers and redo the ones you got wrong.
