• 2022-10-25
    证明:如果随机变量[tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex]与[tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex]独立,则[tex=23.143x1.286]yHxVvI6MGHt4oq+xh/n7TfXoMzAyfnr+IZciCQaLpjoSCXQg2iQZ5hA5I7dJavATECrNOcA1p/8EUcjK3I5pHA==[/tex].
  • 举一反三