yonshouldprovideusasetoforiginin(),thatis,oneoriginalandtwocopies
A. duplicate
B. quadruplicate
C. triplicate
D. double
查看答案
thisdindoffishisnot()forhumanconsumprion
A. fit
B. be fit
C. well
D. fine
正态标准差σ的无偏估计有()
A. r/c4
B. r/d2
C. s/c4
D. s/d2
thegoodsmuste()inwoodencases
A. packing
B. packed
C. shipped
D. shiooing
事件a=“随机抽取5件产品,至少有4件合格品”与事件=“随机抽取5件产品,恰有1件不合格品”的关系是()
A. a包含b
B. 互相对立
C. 互不相容
D. 以上都不对