It could be that a random distribution — I don't have colored chalk here I don't think, so I will use a dash line to represent the fat-taileddistribution.
它可能是一个随机分布。我这儿没有彩粉笔，所以我将用一条虚线来表示厚尾分布。
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You can see that the dash distribution I drew has more out in the tails, so we call it fat-tailed.