请问老师：为什么bond的收益率不是正态分布？

请问基础班的权益课程什么时候能上线呢

在做t分布时，如果是双尾检验，α=5%，那我查表的话是查α=2.5%还是查5%。如果是单尾呢?

犯第二类错误的概率怎么算？

A client invests €20,000 in a four-year certificate of deposit (CD) that annually pays interest of 3.5%. The annual CD interest payments are automatically reinvested in a separate savings account at a stated annual interest rate of 2% compounded monthly. At maturity, the value of the combined asset is closest to: A. €21,670. B. €22,890. C. €22,950. 这道题为什么用计算器算不出来结果呢？ N=36 , I/Y=2/12 , PV=0 , PMT=-700， CPT FV =

第一个例子中：不理解为什么3000万的房子已经抵掉了1.6亿贷款了，还要花1.6亿再把这个房子买回来。因为这个房子很重要？挣了这么多再还回去？还是和银行达成了什么内部交易？

请问第一个例子当中说的拿3000万抵掉1.6亿的银行贷款，这个是怎样操作的，银行也不傻呀，是说一开始上市公司就是做的房子抵押贷款吗

这题为什么disclose the agreement 就不违反呢？感觉就是操纵市场了呀？

During 2009, Accent Toys Plc., which began business in October of that year, purchased 10,000 units of a toy at a cost of ₤10 per unit in October. The toy sold well in October. In anticipation of heavy December sales, Accent purchased 5,000 additional units in November at a cost of ₤11 per unit. During 2009, Accent sold 12,000 units at a price of ₤15 per unit. what would Accent’s cost of goods sold be under the weighted average cost method? A. ₤120,000. B. ₤122,000. C. ₤124,000. 问一下老师，这道题怎么计算啊？麻烦给一下计算过程。谢谢啦。

老师好，请问杜邦分析法考试中会怎么考？感觉工式好难记，有什么记忆方法吗