杨立坚的随笔:学术,社会,文化分享 http://blog.sciencenet.cn/u/sudayanglijian 美国统计协会会士,国际数理统计学会会士,国际统计学会当选会员

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Does lim Xn = X always imply lim (Xn+Y)=X+Y?

已有 2857 次阅读 2021-3-20 20:55 |系统分类:科普集锦

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?




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