这题里的P(low risk|Growth)为什么等于74%？为什么是用73除以99，而不是73除以256？

Benchmark spread 和 yield spread 是一个东西吗 前者要求期巿匹配 后者没有要求期限要匹配?

这题为什么用t分布，而不是z分布？截图2中所说的“属于小样本，所以不能用z值来代替，要去查t值表”怎么理解？

老师能不能麻烦讲一下这道题？Gardner Knight, CFA, is a product development specialist at an investment bank. Knight is responsible for creating and marketing collateralized debt obligations (CDOs) consisting of residential mortgage bonds. In the marketing brochure for his most recent CDO, Knight provided a list of the mortgage bonds from which the CDO was created. The brochure also states “an independent third party, the collateral manager, has sole authority for the selection of all mortgage bonds used as collateral in the CDO.” However, Knight met with the collateral manager and contributed to determining the bonds included in the CDO. Knight is least likely to be in violation of which of the following Standards? A. Suitability B. Disclosure of Conflicts C. Communication with Clients and Prospective Clients

第一，这题是怎么看出来WC，Finv是2013年的？为什么百题总是出现这种问题呢？第二，如果这个题没给WC，Finv,用表格里的数字能算出来吗

老师，麻烦给讲一下去年考纲下在这个题目里面出的3 4两个题，谢谢！

可以再對statement 5說明一下嗎?謝謝。

请问老师，如果是retail method或者LIFO,这道题目答案应该怎么算呢

这题rank by expense ratio那一列的第4行第8行都是2，但是书P251写的却是2.5？是哪个有错？

这里的frequency是指第一步剔除高频词汇之后，的高频词汇吗