|
A few days ago, while reading a 16 year old statistics article, I caught something that many people would never doubt:
Unfortunately the above is not always true for random variables. Anyone knows why?
上述结论是可以对随机变量不成立的,大家知道为什么吗?
Archiver|手机版|科学网 ( 京ICP备07017567号-12 )
GMT+8, 2024-11-20 00:42
Powered by ScienceNet.cn
Copyright © 2007- 中国科学报社