请问88页的E（X）为什么等于USD15.88M?我按老师的说法全部加起来是等于1.2538M，谢谢

The Board of Directors is ultimately responsible for risk oversight. Effective risk governance simply requires clear accountability, authority, and methods of communication; it is not necessary to have multiple levels. The point of risk governance is to consider the methods in which risk-taking is permitted, optimized, and monitored; it is not necessarily to minimize the amount of risk taken. The real point of risk governance is to increase the value of the organization from the perspective of the shareholders and/or stakeholders.

单因素模型有残差项，可以包括非系统性风险，那b和c不一定要在假设当中呀

老师好，54页的z和55页的这几个参数，有什么关系？55页的参数是用在什么地方？希望老师解答下，谢谢。

请问讲义70页的F（-1.5）怎么算？谢谢

麻烦这个题解释一下

老师好，如何区分中心矩和非中心矩？我有些忘了，也忘记之前是什么地方讲过了，麻烦老师再讲下，谢谢。

老师请问这道题怎么解？我看了答案还是没懂？

标准化的计算方法？

我看题目，算的是e5%*0.5 = (1 r)0.5，这个公式，我是列错了吗，算的结果是5.12