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10 questions from this quiz
Visualise complex relationships
Outcomes belonging to all three events
Define the sample space and event sets
The three-way intersection
A∩B∩CA \cap B \cap CA∩B∩C (central region only)
A∪B∪CA \cup B \cup CA∪B∪C (anywhere inside any circle)
Outside all circles
P=FavourableTotalP = \frac{\text{Favourable}}{\text{Total}}P=TotalFavourable
All integers from 1 to 30
400
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