概率论与数理统计M=min(x,y)请问M=min(x,y)是什么意思啊?我看的复旦大学出版的书上的一个公式是:M=min(x,y)的分布函数为 FN(z) = P{N≤z} = 1- P{N>z} = 1- P{X>z,Y>Z} = 1- P{X>z}* P{Y>z} = 1-(1- FX(z))*(1-FY(z));
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/16 22:44:18
![概率论与数理统计M=min(x,y)请问M=min(x,y)是什么意思啊?我看的复旦大学出版的书上的一个公式是:M=min(x,y)的分布函数为 FN(z) = P{N≤z} = 1- P{N>z} = 1- P{X>z,Y>Z} = 1- P{X>z}* P{Y>z} = 1-(1- FX(z))*(1-FY(z));](/uploads/image/z/1006150-22-0.jpg?t=%E6%A6%82%E7%8E%87%E8%AE%BA%E4%B8%8E%E6%95%B0%E7%90%86%E7%BB%9F%E8%AE%A1M%3Dmin%28x%2Cy%29%E8%AF%B7%E9%97%AEM%3Dmin%28x%2Cy%29%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E5%95%8A%3F%E6%88%91%E7%9C%8B%E7%9A%84%E5%A4%8D%E6%97%A6%E5%A4%A7%E5%AD%A6%E5%87%BA%E7%89%88%E7%9A%84%E4%B9%A6%E4%B8%8A%E7%9A%84%E4%B8%80%E4%B8%AA%E5%85%AC%E5%BC%8F%E6%98%AF%3AM%3Dmin%28x%2Cy%29%E7%9A%84%E5%88%86%E5%B8%83%E5%87%BD%E6%95%B0%E4%B8%BA+FN%28z%29+%3D+P%7BN%E2%89%A4z%7D+%3D+1-+P%7BN%3Ez%7D+%3D+1-+P%7BX%3Ez%2CY%3EZ%7D+%3D+1-+P%7BX%3Ez%7D%2A+P%7BY%3Ez%7D+%3D+1-%EF%BC%881-+FX%28z%29%EF%BC%89%2A%281-FY%28z%29%29%EF%BC%9B)
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