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【本文由小黑盒作者@L-浩恒于03月20日发布，转载请标明出处！】 有些事情的发生概率为0，但它还是会发生。这句话听起来像是阿诺左脑肘击右脑的发言，但它确实是成立的。 很多人会把“概率为 0”理解成“绝不会发生”。但在一个简单的实验里，这个理解会出现问题。例如，在区间 [0,1]中随机选一个实数，数字0.5被选中的概率是多少？0.8848被选中的概率是多少 ...