• 2022-06-25
    设随机变量 [tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex] 与 [tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex] 独立同分布,且 [tex=9.357x1.5]IgJPbGtoGhxvlxBNvKT/lE9/jIo/idkuHQceEGFGa/XF5gCRwJhqAmPzNDih9EjY[/tex], 试求 [tex=4.143x1.5]mizsmYKoG6XHrFGAfjqkQA==[/tex].
  • 举一反三