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12 questions from this quiz
Between 000 and 111
The event is impossible
The event is certain
As likely as not (50-50 chance)
Favourable outcomesTotal outcomes\frac{\text{Favourable outcomes}}{\text{Total outcomes}}Total outcomesFavourable outcomes
When all outcomes are equally likely
111
0.20.20.2
Pairs where one or the other must happen
0.70.70.7
38\frac{3}{8}83
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