绝对值小于3的整数有 [ ] A.6个 B.5个 C.4个 D.3个 发布时间:2017-04-07 13:42 │ 来源:www.tikuol.com 题型:选择题 问题: 绝对值小于3的整数有 [ ]A.6个B.5个C.4个D.3个
题型:选择题 为比较工人、干部中高血压患者所占比例有无不同,进行了X2检验,X2值为 9.56,X2(0.05)=3.84,应得出的结论是A.接受η1=π2B.拒绝π1=π2C.接受π1>π2D.拒绝π1>π2E.拒绝μ1=μ2 查看答案
题型:选择题 — I'm sorry. I didn't spill the juice on your clothes________.— Don't mention it.[ ]A. by accident B. in this wayC. in general D. on purpose 查看答案