【单选题】设A,B是两个事件,若P(A)=0.3,P(B)=0.8,则当P(A ∪ B)为最小值时,P(AB)=( )。
【单选题】马丁看别人打太极拳,他也好奇地在他们后面( )着。
【单选题】设随机变量X~N(2,8 2 ),且P{2<x<4}=0.3,则P(x<0)= [ ]
【单选题】What happened in the Forbidden City that Tuesday?
A.
There were far more visitors coming than expected.
B.
A large number of zones were opened to the visitors.
C.
Over 7.9 tons of garbage was collected.
D.
More than 200,000 visitors gathered there.
【单选题】设A,B是两个事件,P(A)=0.3,P(B)=0.8,则当P(A UB)为最小值时,P(AB)等 于( )。
【简答题】会计职业道德应当靠广大会计人员自觉遵守,对违反会计职业道德的行为,不能进行惩罚。 ( )
【单选题】设P(A)=0.8, P(B)=0,7, P(A|B)=0.8, 则下列说法正确的是( )