NO.PZ2018062016000103
问题如下:
A client has asked you to explain the lognormal distribution is used to describe the price of asset, which of the following will you most likely include in your explanation?
选项:
A.Asset price is normal.
B.Lognormal distribution is popular.
C.Asset price are bounded from below by 0.
解释:
C is correct.
Because the lognormal distribution are bounded below by 0, and price cannot be negative.
lognormal 的图形是以什么样子的呢?