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GCSEExam QuestionsProbability
GCSE Probability Exam Question Pack
GCSE exam-style Probability questions with mixed practice, marks-style prompts and model answers.
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Exam Questions
Probability: Exam Questions
Test whether I can apply it.
A practice set designed to feel like assessment.
Exam-style questionsMarks or difficulty labelsMixed contextsMulti-step problemsSpace for working
Exam-style questions
- Use a tree diagram for two events without replacement
- Find P(A given B) from a Venn diagram
- Calculate expected frequency from a probability model
Worked example
A bag has 3 red and 5 blue counters. Find P(red)
1. There are 3 + 5 = 8 counters altogether
2. There are 3 red counters
3. P(red) = 38
Answer: 38
Marks usually come from
- Can I identify the sample space?
- Can I use complements and intersections?
- Can I decide whether events are independent or dependent?