【简答题】【消耗次数:1】
设P(A)=0.4,B为A的对立事件,则P(B)=[填空]
参考答案:
复制
纠错
相关题目
【简答题】 设P(A)=0.4,B为A的对立事件,则P(B)=[填空]
【简答题】 设P(A)=0.4,B为A的对立事件,则P(B)=[填空1]
【单选题】 设A,B为随机事件,P(AB)=0则( ).
①  AB=0
②  AB未必是不可能事件
③  A与B对立
④  P(A)=0或P(B)=0
【判断题】 设A,B,C为三个事件,若P(ABC)=P(A)P(B)P(C),则事件A,B,C相互独立
①  正确
②  错误
【判断题】 设A、B、C为三事件,若满足:P(AB)=P(A)P(B),P(AC)=P(A)P(C),P(BC)=P(B)P(C),则三事件A、B、C 必然相互独立。
①  正确
②  错误
【判断题】 A、B为任意二随机事件,则P(A∪B)=P(A)+P(B).
①  正确
②  错误
【判断题】 A.B 为任意二随机事件,则 P(A∪B)=P(A) +P(B)
①  正确
②  错误
【判断题】 A.B为任意随机事件,则P(A-B)=P(A)-P(B).
①  正确
②  错误
【判断题】 设事件为A、B,已知P(AB)=0,则A与B必相互独立
①  正确
②  错误
【判断题】 设A、B是Ω中的随机事件,必有P(A-B)=P(A)-P(B)
①  正确
②  错误
随机题目
【单选题】 The[填空] for this is that this plane is also a bicycle.
①  reason
②  because
③  why
④  so
【单选题】 The boat pulled [填空]alongside the ship.
①  down
②  out
③  in
④  up
【单选题】 It was I [填空] met Li Ming at the railway station yesterday.
①  what
②  which
③  when
④  that
【单选题】 Not until the rain stopped [填空]the room.
①  did he leave
②  he left
③  left he
④  did leave he
【单选题】 I’d rather you [填空] the book yesterday.
①  had returned
②  return
③  would had returned
④  returned
【单选题】 It is surprising that she [填空]the math exam.
①  should pass
②  passing
③  passed
④  passes
【单选题】 He’s [填空]singing.
①  fed up
②  tire
③  tired
④  tired of
【单选题】 Weather[填空] we’ll go for an outing tomorrow.
①  permit
②  permitting
③  permitted
④  being permitted
【单选题】 They marched through the square,in the middle of [填空]stood a monument.
①  it
②  which
③  what
④  who
【单选题】 It was required that the crops [填空] harvested at once.
①  be
②  will be
③  are
④  being