When A and B are mutually exclusive, P(A or B) can be found by adding P(A) and P(B).
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- 公共卫生执业医师
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1.When A and B are mutually exclusive, P(A or B) can be found by adding P(A) and P(B).
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2.If A and B are mutually exclusive events with P(A) = 0.70, then P(B):( )
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3.P(B-A)=P(B)-P(A)
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4.P(AB)=P(A)P(B)
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5.P(AB)=P(A)P(A|B)
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6.设A、B为二事件,P(A)=0.8,P(B)=0.7,P(A∣B)=0.6,则P(A∪B)=
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7.Cho A và B là hai biến cố xung khắc. Khẳng định nào sau đây là sai A.
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8.已知P(A)=1/4,P(B|A)=1/3,P(A|B)=1/2,求P(A∪B).
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9.Чему равна вероятность их пересечения, если P(A)=0,28P(A)=0,28, P(B)=0,8P(B)=0,8?
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10.
A、Первый
B、Второй
C、Третий
D、Четвертый