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10 questions from this quiz
Tree diagrams
Work from centre intersection outward
1
P(A∩B)=P(A)×P(B)P(A \cap B) = P(A) \times P(B)P(A∩B)=P(A)×P(B)
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)
Multiply probabilities along the path
Marginal totals
P(A′)=1−P(A)P(A') = 1 - P(A)P(A′)=1−P(A)
Two-way contingency tables
The outer boundary
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