老师好，这道题，call option比预计的要高，收益居然是整个Option Premium；如果call option与预计相等，理论上收益是0；这合理吗？感觉按照老师的这个算法，任何情况下都能赚到所有的Option Premium；

请问如何理解原教材的这道题：An investor in a private equity fund is concerned that the general partner can receive incentive fees in excess of the agreed-on incentive fees by making distributions over time based on profits earned rather than making distributions only at exit from investments of the fund. Which of the following is the most likely to protect the investor from the gneral partner rcieveing excess fees? A. a high hurdle rate. B. a clawback provision C. a lower capital committment.

图二中这张图是加减标准差，但是在区间估计和假设检验都是加减 SE standard error标准误而不是标准差，有什么区别？

39题加法法则和乘法法则为什么没考虑是否独立或是相斥呢？

interest rates increase, prepayments of principal will decrease.这句话单独拿出来是正确的，只是因为问题问的是interestrisk所以B选项不对，是这样吗

老师，拆借利率是什么意思？

sponsored不是抵押的意思吧？为什么55题老师总是说抵押

C不懂

请问以下问题理解是否正确， 1、区间估计和假设检验都不需要知道总体分布，只需要知道样本分布就可以？ 2、区间估计要点是总体均值落在置信区间的概率，假设检验要点是计算样本均值落在某一区间的概率

非上市公司可以发债吗？大多数企业融资都是问银行借钱吧？可以发债？