alt Hacker NewsIt’s close though. Iq sd is 15. 200 is about 6.7 sd above mean. Odds of being 6.5 standard deviations away is 1 in 12 billion.
https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rul...
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FredPret • 11/08/2024
Sure, but we can’t say someone has a 1-in-12B intelligence when we only have 8B (or whatever) people. We can only go as high as 1-in-<current_pop>
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Don't forget you also have to divide by two (so, 1 in 24 billion) if you only want to consider the upper end of the range, since that number is essentially "fraction of the population that doesn't fall within mean +/- 6.5 stdev".