皮皮学，免费搜题
登录
搜题
【单选题】
某公司职工的人均年奖金为20000元,标准差为5000,从中随机抽取36人作为样本进行调查,求样本的人均年奖金在19000-22000之间的概率。( )A.
86.67%
B.
95.12%
C.
75.36
D.
50%
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】与供水水资源评价相比,简述矿井涌水量预测特点。
【单选题】If you behave ____，others will think you are ________.
A.
polite，polite
B.
polite，politely
C.
politely，polite
D.
politely，politely
【单选题】It was very _____ him to make room for an old person. [ ]
A.
polite for
B.
polite of
C.
polite to
D.
polite in
【单选题】The little girl is very and she always talks to others .
A.
polite; polite
B.
polite; politely
C.
politely; polite
D.
politely; politely
【简答题】Polite complaints 客气投诉
【简答题】It is ______ to ask such a personal question. (polite)
【简答题】Polite 语气礼貌
【简答题】According to Reuters, the top markets on Wall Street lost about___1___ to open the new week. By the afternoon on ___2___, the Dow Jones was trading down by ___3___, while the Nasdaq and the S&P lost a...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
