I think you are referring to the Law of Large numbers. "with a large enough number of samples, any outrageous thing is likely to be observed" https://en.wikiped

I think you are referring to the Law of Large numbers. "with a large enough number of samples, any outrageous thing is likely to be observed" https://en.wikipedia.org/wiki/Law_of_truly_large_numbers https://en.wikipedia.org/wiki/Law_of_truly_large_numbers