NO.PZ2020010304000017
问题如下:
The return distributions for the S&P 500 and Nikkei for the next year are given as:
选项:
解释:
If the two variables are unrelated, then the joint distribution is just given by the products
For example, the probability of seeing -10% on the S&P and -5% on the Nikkei is 25%*20% = 5%.
unrelated具体指什么?不等同于independent吧?