【单选题】_____ the meeting himself gave them a great deal of encouragemet. A. The president will attend B. The president to attend C. The president attended D. The president’s attending
【单选题】The visit of the President will increase the______between the two countries.
【单选题】_____ the meeting himself gave them a great deal of encouragement.
A.
The president will attend
B.
The president to attend
C.
The president who attending
D.
The president's attending
【简答题】设顾客在某银行窗口等待服务的时间X(单位:分钟)服从参数为1/5的指数分布 某顾客在窗口等待服务,若超过10分钟,他就离开. (1)求该顾客未等到服务而离开窗口的概率P{X>10}; (2)若该顾客一个月内去银行5次,以Y表示他未等到服务而离开窗口的次数,即事件 {X>10}在5次中发生的次数,试求 P{Y=0}。
【单选题】The visit of the President will increase the ______ between the two countries.