【单选题】, we will set off as we planned.
【多选题】设随机事件 A , B 满足 P ( AB ) = 0 ,则下列说法中正确的是 ( )
B.
P ( A – B ) = P ( A ) ;
D.
P ( A ∪ B ) = P ( A ) + P ( B ).
【单选题】设随机事件A,B满足P(AB)=0,则下列各选项中一定正确的是( )
【单选题】事件发生的条件具备时,事件不会发生;反之,事件发生的条件不具备时,事件发生。我们把这种因果关系称之为()。
【单选题】Being admitted to a good university is the to a good job in the future.
【单选题】在相对比较法中,如果认为风险事件偶尔会发生,并且能预期将来有时会发生,这种风险事件发生的概率属于( )。
【单选题】Why is being a good listener even more important than being a good speaker? Which one of the following explanations is not correct?
A.
Because you can both open your ears and open your mind by listening to others.
B.
Because to listen is a good way to learn.
C.
Because being a good listener is to show your respect to others.
D.
Because you can avoid sharing your own ideas all the time by listening to others.
【单选题】在相对比较法中,如果认为风险事件偶尔会发生、并且能预期将来有时会发生,这种风险事件发生的概率是( )。