【多选题】项目2 学校准备采购2020级新生入学军训服装一批,学校的角色是
【简答题】假定市场上只有两种股票A、B,市值占比分别为0.6、0.4。A的超额收益的标准差为20%,B的超额收益的标准差为40%,两者超额收益的相关系数为0.5。问: (1)股票A的β是多少? (2)股票A的非系统性风险是多少? (3)现在假定市场上另有一股票C,通过利用股票的总收益率对单指数模型的回归分析,得到估计的截距为5%,β值为0.6。如果无风险利率为10%,那么,通过利用股票的超额收益率对单指数模...
【简答题】阅读短文,完成 101~105 题: 第 101 题 最适合做本文标题的是( )。
【单选题】请阅读Passage l,完成第21-25题。 Passage 1 When asked by Conan if his daughters had smart phones, comedian Louis CK explained that he had successfully fended them off by simply replying, 'No, you can' t have i...
A.
CK was a good father and a very brave comedian in her eyes.
B.
CK didn't agree to buy smart phones for his young daughters.
C.
She was very impressed by his solution to the smart phone probletn.
D.
She was encouraged by him not to make any compromises to her daughter.
【简答题】服装店计划采购一批服装销售,按20%的利润定价销售,每件正好60元,采购时,这种服装进货价降低了20%,如果商店仍按20%的利润定零售价,每件应是多少元?
【单选题】请根据校历,确定2021年10月17日的学期是
【简答题】什么叫回归分析?回归截距和回归系数的统计意义是什么?
【简答题】阅读短文。完成 96~100 题。 第 96 题 以下各项壳聚糖的作用,本文并未提及的是( )。
【单选题】某大学2019级新生军训工作取得圆满成功,学校决定对军训先进集体和先进个人予以表彰,应使用( )文种