单选题:统计假设检验的两类错误包括的情形有( )。I.原假设是真实的,判断结论接受原假设Ⅱ.原假设是不真实的,判断结论拒绝原假 题目分类:发布证券研究报告业务(证券分析师) 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: 统计假设检验的两类错误包括的情形有( )。 I.原假设是真实的,判断结论接受原假设 Ⅱ.原假设是不真实的,判断结论拒绝原假设 Ⅲ.原假设是真实的,判断结论拒绝原假设 Ⅳ.原假设是不真实的,判断结论接受原假设 A.I、Ⅱ B.I、IV C.Ⅱ、Ⅲ D.Ⅲ、IV 参考答案: 答案解析:
已知直线Y一3J,+1与直线z+my+1—0互相垂直,则m的值是 已知直线Y一3J,+1与直线z+my+1—0互相垂直,则m的值是 A.1/3 B.-1/3 C.-3 D.3 分类:发布证券研究报告业务(证券分析师) 题型:单选题 查看答案
The baby seemed to be__________at the sight of the TV set.( The baby seemed to be__________at the sight of the TV set.( )A.excited B.surpris 分类:发布证券研究报告业务(证券分析师) 题型:单选题 查看答案
( ) The story was said to have been based on the information ( ) The story was said to have been based on the information from a reliable____ 分类:发布证券研究报告业务(证券分析师) 题型:单选题 查看答案
In the article, the author says a little about __________ ( In the article, the author says a little about __________ ( )A.black--market fur 分类:发布证券研究报告业务(证券分析师) 题型:单选题 查看答案