• 2021-04-14
    若随机变量XN(u,),则P(X>a)=1-P(Xa)/ananas/latex/p/173/ananas/latex/p/3922/ananas/latex/p/1237
  • 内容

    • 0

      证明:若函数在内满足关系式 且 则/ananas/latex/p/209239/ananas/latex/p/534180/ananas/latex/p/534181/ananas/latex/p/534182/ananas/latex/p/534183

    • 1

      设,在内,则在内( )/ananas/latex/p/243901/ananas/latex/p/22409/ananas/latex/p/243903/ananas/latex/p/2154/ananas/latex/p/22992

    • 2

      若 且满足,则/ananas/latex/p/1077893/ananas/latex/p/121860/ananas/latex/p/1077899

    • 3

      若A是矩阵,B是矩阵,且AB=O,则必有r(B)+r(A)______./ananas/latex/p/111984/ananas/latex/p/112245/ananas/latex/p/1237

    • 4

      设X~N(μ,4),Y~N(μ,9),a=P{Xμ-2},b=P{Yμ+3},则/ananas/latex/p/1237/ananas/latex/p/990