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by es09
2285 days ago
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If you assume a random person has a probability of carrying the virus at 0.001, here's the probability of someone in a crowd of N people being sick - https://www.wolframalpha.com/input/?i=plot+%281-%280.999%29%... At around the 700 mark, the probability is > 0.5. So if you are in a crowd of 700+ people, someone's likely sick. Of course, you need to have some reasonable estimate of how many are carrying the virus in a given population to do this calculation. |
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