https://echo.ishian.me/categories/probability-math/Recent content in Probability Math on IshianHugoenMon, 05 May 2025 00:00:00 +0000https://echo.ishian.me/2025/05/05/probability-rdnvar/Mon, 05 May 2025 00:00:00 +0000https://echo.ishian.me/2025/05/05/probability-rdnvar/汇总常见离散与连续随机变量的分布、期望与方差推导及高阶矩结论