帮我算算概率,不要给我写什么公式了,我就是公式看不懂,想找几个例子理解它对于任意的4个事件A1、A2、A3、A4P(A1+A2+A3+A4)=?对于任意的5个事件A1、A2、A3、A4、A5P(A1+A2+A3+A4+A5)=?P(A1+A2+A3+A4
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 07:04:52
![帮我算算概率,不要给我写什么公式了,我就是公式看不懂,想找几个例子理解它对于任意的4个事件A1、A2、A3、A4P(A1+A2+A3+A4)=?对于任意的5个事件A1、A2、A3、A4、A5P(A1+A2+A3+A4+A5)=?P(A1+A2+A3+A4](/uploads/image/z/7907861-29-1.jpg?t=%E5%B8%AE%E6%88%91%E7%AE%97%E7%AE%97%E6%A6%82%E7%8E%87%2C%E4%B8%8D%E8%A6%81%E7%BB%99%E6%88%91%E5%86%99%E4%BB%80%E4%B9%88%E5%85%AC%E5%BC%8F%E4%BA%86%2C%E6%88%91%E5%B0%B1%E6%98%AF%E5%85%AC%E5%BC%8F%E7%9C%8B%E4%B8%8D%E6%87%82%2C%E6%83%B3%E6%89%BE%E5%87%A0%E4%B8%AA%E4%BE%8B%E5%AD%90%E7%90%86%E8%A7%A3%E5%AE%83%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E7%9A%844%E4%B8%AA%E4%BA%8B%E4%BB%B6A1%E3%80%81A2%E3%80%81A3%E3%80%81A4P%EF%BC%88A1%2BA2%2BA3%2BA4%EF%BC%89%3D%3F%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E7%9A%845%E4%B8%AA%E4%BA%8B%E4%BB%B6A1%E3%80%81A2%E3%80%81A3%E3%80%81A4%E3%80%81A5P%EF%BC%88A1%2BA2%2BA3%2BA4%2BA5%EF%BC%89%3D%3FP%EF%BC%88A1%2BA2%2BA3%2BA4)
帮我算算概率,不要给我写什么公式了,我就是公式看不懂,想找几个例子理解它对于任意的4个事件A1、A2、A3、A4P(A1+A2+A3+A4)=?对于任意的5个事件A1、A2、A3、A4、A5P(A1+A2+A3+A4+A5)=?P(A1+A2+A3+A4
帮我算算概率,不要给我写什么公式了,我就是公式看不懂,想找几个例子理解它
对于任意的4个事件A1、A2、A3、A4
P(A1+A2+A3+A4)=?
对于任意的5个事件A1、A2、A3、A4、A5
P(A1+A2+A3+A4+A5)=?
P(A1+A2+A3+A4)=P(A1)+P(A2)+P(A3)+P(A4)-P(A1A2)-P(A2A3)-P(A1A3)-P(A1A4)+P(A1A2A3)+P(A2A3A4)+P(A1A2A4)+P(A1A3A4)-P(A1A2A3A4)对吗?
P(A1+A2+A3+A4+A5)=P(A1)+P(A2)+P(A3)+P(A4)+P(A5)-P(A1A2)-P(A2A3)-P(A3A4)-P(A4A5)-P(A1A3)-P(A1A4)-P(A1A5)-P(A2A4)-P(A2A5)-P(A3A5)+P(A1A2A3)+P(A1A2A4)+P(A1A2A5)+P(A1A3A4)+P(A1A3A5)+P(A1A4A5)+P(A2A3A4)+P(A2A3A5)+P(A2A4A5)+P(43A4A5)+P(A1A2A3A4)+P(A1A2A3A5)+P(A1A2A4A5)+P(A1A3A4A5)+P(A2A3A4A5)+P(A1A2A3A4A5)对吗?
帮我算算概率,不要给我写什么公式了,我就是公式看不懂,想找几个例子理解它对于任意的4个事件A1、A2、A3、A4P(A1+A2+A3+A4)=?对于任意的5个事件A1、A2、A3、A4、A5P(A1+A2+A3+A4+A5)=?P(A1+A2+A3+A4
补充的部分,第二个式子不对,应该改成:P(A1+A2+A3+A4+A5)=P(A1)+P(A2)+P(A3)+P(A4)+P(A5)-P(A1A2)-P(A2A3)-P(A3A4)-P(A4A5)-P(A1A3)-P(A1A4)-P(A1A5)-P(A2A4)-P(A2A5)-P(A3A5)+P(A1A2A3)+P(A1A2A4)+P(A1A2A5)+P(A1A3A4)+P(A1A3A5)+P(A1A4A5)+P(A2A3A4)+P(A2A3A5)+P(A2A4A5)+P(43A4A5)-P(A1A2A3A4)-P(A1A2A3A5)-P(A1A2A4A5)-P(A1A3A4A5)-P(A2A3A4A5)+P(A1A2A3A4A5)
其中P(A1A2)就是A1 A2同时发生的概率,就等于A1发生的概率乘以A2发生的概率,即P(A1)*P(A2),明白了吗