当样本含量足够大时,样本率又不接近0或1时,以样本率推断总体率95%可信区间的计算公式为

A、p±2.58s[img=~/QImg/2013-10-14-10-49-09/image009.jpg]
B、p+1.645s[img=~/QImg/2013-10-14-10-49-09/image009.jpg]
C、p±1.96s[img=~/QImg/2013-10-14-10-49-09/image009.jpg]
D、π±1.96σ[img=~/QImg/2013-10-14-10-49-09/image015.gif]
E、X±1.96s[img=~/QImg/2013-10-14-10-49-09/image016.jpg]