NO.PZ2018070201000068
问题如下:
The return projections have been made by Eunice. an analyst from an investment company, for each of the assets with the same probability of occurrence, which combination of two equally-weighted assets has lowest expected standard deviation?
选项:
A. Asset B and Asset C.
B. Asset A and Asset C.
C. Asset A and Asset B.
解释:
A is correct
Asset B and Asset C have the same expected return, and these two are perfectly negatively correlated. So the portfolio's standard deviation is the lowest.
如题,讲解中提到了计算器一直往下按出来b是-1代表相关系数,但是计算器使用一章并没有提到这个点,想具体了解下