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10 questions from this quiz
A single result from an experiment
All different things that could happen
A collection of one or more outcomes
They cannot happen at the same time
P(A and B)=P(A)×P(B)P(A \text{ and } B) = P(A) \times P(B)P(A and B)=P(A)×P(B)
P(A or B)=P(A)+P(B)−P(A and B)P(A \text{ or } B) = P(A) + P(B) - P(A \text{ and } B)P(A or B)=P(A)+P(B)−P(A and B)
P(not A)=1−P(A)P(\text{not } A) = 1 - P(A)P(not A)=1−P(A)
Between 0 and 1 inclusive
Multiply along paths, add across paths
Times event occurred ÷ total trials
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