从哪里看出来不能回转？

sampling distribution是啥？ 然后中值定理到底是说，在样本大的情况下，样本的分布服从正态分布？还是样本的μ服从正态分布？

这个题par value为什么用99.65而不是98.125呢？

题目没问题，不过这个附加解释不懂，貌似几个地方都有这个decimal的说法. By convention, forward points are scaled so that ±1 forward point corresponds to a change of ±1 in the last decimal place of the spot exchange rate.

unbiased，无偏性是什么意思呀？

FCFF = NI + NCC – WC Inv – FC Inv +[ Int * (1 - tax rate) ] FCFF = CFO – FC Inv +[ Int * (1 - tax rate) ] 这两个公式对比可得出CFO =NI+NCC-WC Inv,这跟前面学的间接法的三步调整不一样呀，少了第二步的+Gain - Loss,这里是怎么理解？忽略不计吗？

Which of the following is not the reason why the priority of claims is not perfect? A Senior creditors compromised. B The value of secured assets was less than the amount of the claims. C The judge's order resulted in actual claims not adhering to strict priority of claims. B为啥不对？

请问那个mortgage payment是什么呢

这一节有点晕，能请老师再解释一下HPR和YTM的区别以及共同点吗

原版书的题目，In descriptive stats, an exemple of a parameter is the: A.median of a population. 请问啥意思呀。描述性统计学里的an exemple of a parameter是median of a population？没读懂