皮皮学，免费搜题
登录
搜题
【单选题】
Regarding null hypothesis and alternative hypothesis , which one is wrong ( ).A.
generally，a null hypothesis state that there’s no difference between the two populations.
B.
null hypothesis and alternative hypothesis are mutually exclusive, and only one can be true.
C.
the alternative hypothesis is effectively the opposite of a null hypothesis
D.
the two hypotheses are certain hypotheses for the sample
E.
the two hypotheses are certain hypotheses for the population
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】我去年来到这个公司时,他已经被派到法国当翻译了。
【单选题】She doesn’t look as pretty as when she was 10 Really?What_she look like?
A.
did
B.
does
C.
is
D.
were
【简答题】3) 去年我游览了长城,而且玩得特别开心。 。
【简答题】去年我游览了长城,而且玩得特别开心。
【简答题】子曰:“知者不 , 仁者不 ,勇者不 。”
【简答题】翻译; 去年我游览了长城，而且玩得特别开心。A. I paid a visit to the Great Wall last year and had a very good time there.
【单选题】有如下的四个/24地址块,202.103.132.0/24;202.103.133.0/24;202.103.134.0/24;202.103.135.0/24,进行最大可能的聚合,结果是( )。
A.
202.103.133.0/23
B.
202.103.132.0/23
C.
202.103.134.0/24
D.
202.103.132.0/22
【简答题】去年秋天，小明随父母游览了南岳，他在日记中写道：“南岳衡山，五岳独秀，我向往已久的地方，今天我终于投进了你的怀抱．清晨，我们登上祝融峰，来到望日台，凭栏望去，山腰间笼罩茫茫白雾，人仿佛置身云海之上…突然云雾中透过万道霞光，太阳出来了，不久，白雾渐渐消散，群山露出俊秀的面容．”在这段话中，“白雾”是空气中的水蒸气 ______而形成的，太阳出来后，“白雾渐渐消散”，这是 ______现象．
相关题目：
参考解析：
知识点：
题目纠错 0
发布
