NO.PZ2022123001000063
问题如下:
Which distribution is MOST likelybe a discrete random variable distribution?
选项:
A.Stock price B.Stock return C.P/E ratio解释:
A discrete random variable can take on at most a countable number ofpossible values. By contrast, we cannot count the outcomes of a continuous random variable.
股价也是连续的吧?这个题怎么理解