CAIE IGCSE Mathematics C8.3 Probability of Combined Events Question Bank
Practise two-stage probability with replacement using tree diagrams, complements and alternative outcome paths.
- Syllabus
- 2028–2030
- Course
- Mathematics 0580
- Level
- Core
Exam points
- complete each tree split with branch probabilities that total 1
- multiply probabilities along one path to find both specified outcomes
- add mutually exclusive paths when either ordering gives the required event
Covered syllabus points
C8.3 Probability of combined events question 1
Question (a)
(a)
Hemang buys two televisions.
The probability that a television is faulty is 0.02 .
[ 4 ]
Question (i)
(i)
Complete the tree diagram.
[ 2 ]
Question (ii)
(ii)
Find the probability that Hemang buys two faulty televisions.
[ 2 ]
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