设随机变量[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]与[tex=0.643x1.0]O+viFNA0oHTwnBtQyi80Zw==[/tex]独立同分布,且[tex=10.571x1.5]IgJPbGtoGhxvlxBNvKT/lE9/jIo/idkuHQceEGFGa/U0Ge2y8mBrm3ata/kQ6Hwiz7s4JoakyRETTTFq/WhTZQ==[/tex] 试求 [tex=4.0x2.0]WyCFwrkQpPK9QElnNXGPFQ==[/tex]
设随机变量[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]与[tex=0.643x1.0]O+viFNA0oHTwnBtQyi80Zw==[/tex]独立同分布,且[tex=10.571x1.5]IgJPbGtoGhxvlxBNvKT/lE9/jIo/idkuHQceEGFGa/U0Ge2y8mBrm3ata/kQ6Hwiz7s4JoakyRETTTFq/WhTZQ==[/tex] 试求 [tex=4.0x2.0]WyCFwrkQpPK9QElnNXGPFQ==[/tex]
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