NO.PZ202309170100013302
问题如下:
What is the unexpected loss on this loan?
选项:
A.USD 1,180,000 B.USD 1,312,000 C.USD 1,673,000 D.USD 1,861,000解释:
题干中PD=0.5% (1-PD)=99.5%
PD(1-PD)=0.004975
PD的标准差是1.75% 方差是0.000306
在别的题目中 一般不给PD的方差的时候是用PD(1-PD)计算,那这道题为啥用这两种办法算出来的方差不一样?