【简答题】已知某M/M/1排队系统,其顾客到达时间间隔与服务时间的比值为0.9,可设计一个每次模拟25个顾客,共模拟10次的模拟模型,每次模拟改变程序的随机数发生器的种子,得到顾客平均等待时间的结果如下: 1.051 0.546 6.438 2.287 2.6 2.822 0.805 0.414 1.505 1.307 试计算其置信区间、绝对误差和相对误差
【多选题】公司在制定股利政策时应考虑的因素有( )。
【单选题】According to the passage, chance ______.
A.
involves Juliet in a murder
B.
sends Romeo and Juliet into evil-doing
C.
causes late arrival of a message for Romeo
D.
leads to a happy meeting between Romeo and Juliet
【简答题】Jul 16 03:27:01 node69 sced[22053]: Connection from Jul 16 03:27:01 node69 sced[22053]: SSH: Server;Ltype Jul 16 03:27:01 node69 sced[22053]: SSH: Server;Ltype Jul 16 03:27:11 node69 sced[23417]: Conn...
【单选题】下面程序的输出结果是()。main(){int a[3][4]={1,3,5,7,9,11,13,15,17,19,21,23};int (*p)[4]=a,i,j,k=0;for(i=0;i<3;i++)for(j=0;j<2;j++)k=k+*(*(p+i)+j);printf("%d\n",k);}
【单选题】宋代百官对皇帝当殿陈事所用的上奏文种称为( )