• 2022-06-04
    设二维随机变量[tex=2.786x1.286]wsm6hZKLwoHLmpiSvjoPLA==[/tex]的联合密度函数为[tex=14.929x3.357]vgKGxLUHpPWhloPIVd0P7vRQyC9FSB95IUePuj5ojk+oBYCXNJFuIoDLcLRifCPmcvcBZUs73t+YdUnUsK7MYQpcg+dBMcSLXoNfDHkb8MhrMTd2xN7FG5EJYxsls79GMNRk/NOeZl7k+H/x/vrc+A==[/tex]求[tex=9.571x1.357]n0V6Ta2tIy/IGvc70YhjNSbTtLIyJIls6NzeWvCsGfUap7LvMWRktZMPqSIJ40cM[/tex].[img=278x235]177dde5681599f2.png[/img]