Why does a crowd singing at a concert normally sound really good, but if you were to randomly pick one of those people to sing solo, it probably wouldn’t sound great.?
In: Biology
Because each person is screwing up in a different way, so it averages out to sound right. This works for a lot of things! If you get a large enough group of people to try to predict the stock market, for example, they often perform better than an expert.
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