• 2022-06-04
    设二维随机变量 [tex=2.786x1.286]wsm6hZKLwoHLmpiSvjoPLA==[/tex]  的联合密度函数为[p=align:center][tex=15.571x4.786]lJblPB9MNpIrc6Sy3BdmFXJ0yfI4z+iB1nKJ7ROgWqwW7RfhYrJD2clUF+Zi5Z5Vj03Az45w8YqQA9BOPr6Gx2H3LLS1ZwZydXnPAMjYEP1naG7dmgkBfuhE6Rak1UqYwGVgQWserSotntBbc7vVqg==[/tex]求[tex=3.714x1.286]R3Y9cXFg+UXi4JPn32+gxA==[/tex]的密度函数.
  • 举一反三