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10 questions from this quiz
111
Set of all possible outcomes
P(A∪B)=P(A)+P(B)−P(A∩B)P(A \cup B) = P(A) + P(B) - P(A \cap B)P(A∪B)=P(A)+P(B)−P(A∩B)
To avoid double-counting the overlap
Event AAA or BBB (or both) occurring
Outcomes in both AAA and BBB
Favourable outcomesTotal outcomes\frac{\text{Favourable outcomes}}{\text{Total outcomes}}Total outcomesFavourable outcomes
Between 000 and 111
610\frac{6}{10}106
Not subtracting the intersection
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