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1.名詞解釋
以 f：A→B 為例
domain : A
co-domain : B
range : 真正會被map到的B裡面的值
Outcome: A result of a random experiment.
Sample Space: The set of all possible outcomes.
Event: A subset of the sample space.
2.重要axiom
If A1,A2,A3,⋯ are disjoint events, then P(A1∪A2∪A3⋯) = P(A1)+P(A2)+P(A3)+⋯
3. Notation
P(A∩B) = P(A and B) = P(A,B) = P(AB)
P(A∪B) = P(A or B)
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