何毓琦的个人博客分享 http://blog.sciencenet.cn/u/何毓琦 哈佛(1961-2001) 清华(2001-date)

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On Coincidences

已有 1681 次阅读 2024-11-5 03:00 |个人分类:S and T|系统分类:海外观察

As an example. 

Why Do We Always Seem to Run Into People Abroad?

https://www.thrillist.com/travel/nation/science-behind-chance-encounters-abroad?ueid=b2b86f91d6286348e35a69f5415e6995&utm_source=Sailthru&utm_medium=email&utm_campaign=Thrillist%20Daily-%2011/4/24&utm_term=Thrillist%20Daily 

According to details in this article we can run into a person we know while travelling abroad once in 25 years

 on the average. I did - In Dublin Ireland during the years we travelled abraod almost every year 1961-2007. 

One can make similar estimates if you are probability and mathematically inclined. 



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