设随机变量[img=15x19]180302bfff08146.png[/img]的分布函数为[img=215x97]180302c008c9e7d.png[/img]则[img=15x19]180302bfff08146.png[/img]的概率分布为( )
A: [img=166x51]180302c01d084ea.png[/img]
B: [img=166x51]180302c02758884.png[/img]
C: [img=166x51]180302c03267a76.png[/img]
D: [img=166x51]180302c03dff178.png[/img]
A: [img=166x51]180302c01d084ea.png[/img]
B: [img=166x51]180302c02758884.png[/img]
C: [img=166x51]180302c03267a76.png[/img]
D: [img=166x51]180302c03dff178.png[/img]
举一反三
- 设随机变量[img=15x19]180302bfff08146.png[/img]的分布函数为[img=215x97]180302c008c9e7d.png[/img]则[img=15x19]180302bfff08146.png[/img]的概率分布为( ) 未知类型:{'options': ['', '', '', ''], 'type': 102}
- 设随机变量X,Y独立同分布,且X的分布函数为F(x),则Z=min(X,Y)的分布函数为 A: [img=75x41]1803b3b99052334.png[/img] B: [img=116x43]1803b3b997d8c4c.png[/img] C: [img=134x49]1803b3b9a23b0c6.png[/img] D: [img=173x51]1803b3b9ac73694.png[/img]
- 设(X,Y)的分布函数为[img=549x53]18031e937a7b053.png[/img]则(X,Y)关于X的边缘分布函数FX(x) = ( ). A: [img=287x55]18031e93855481e.png[/img] B: [img=285x52]18031e93918b0ca.png[/img] C: [img=296x55]18031e939bc0749.png[/img] D: [img=294x56]18031e93a5c4883.png[/img]
- 设(X,Y)的分布函数为[img=549x53]1803a74a8f6ca05.png[/img]则(X,Y)关于X的边缘分布函数FX(x) = ( ). A: [img=287x55]1803a74a9a08d05.png[/img] B: [img=285x52]1803a74aa4ac3b9.png[/img] C: [img=296x55]1803a74aae81937.png[/img] D: [img=294x56]1803a74ab8d5dc7.png[/img]
- 设(X,Y)的分布函数为[img=549x53]1802f2b06f71f92.png[/img]则(X,Y)关于X的边缘分布函数FX(x) = ( ). A: [img=287x55]1802f2b07b2935e.png[/img] B: [img=285x52]1802f2b085d42f7.png[/img] C: [img=296x55]1802f2b0909ff33.png[/img] D: [img=294x56]1802f2b09a4b182.png[/img]