Probability and Mathematical Statistics | Yi Zhuanghttps://vortexer99.github.io/tags/probability-and-mathematical-statistics/Probability and Mathematical StatisticsHugoBlox Kit (https://hugoblox.com)en-usFri, 28 Sep 2018 00:00:00 +0000https://vortexer99.github.io/media/icon.svgProbability and Mathematical Statisticshttps://vortexer99.github.io/tags/probability-and-mathematical-statistics/一定个数事件发生的概率上界估计https://vortexer99.github.io/posts/2018/09/epub/Fri, 28 Sep 2018 00:00:00 +0000https://vortexer99.github.io/posts/2018/09/epub/<p>已知：事件 A1, &hellip;, An 发生的概率分别为 p1, &hellip;, pn。记 p = p1 + · · · + pn</p> <p>求证：至少有 k 个事件发生的概率不大于 pk/k!</p> <p> </p>