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  1. #1

    Jul 2011
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    4,543



    0 +1 . E P(E)\! .



    E F : E F. ( ) F P(E \cap F)/P(F) . E F .

    : .





    liytguyguygkhgj . (\Omega, \mathcal F, P),

    * Ω , "sample space",

    . : Ω.

    * \mathcal F -σ : event .

    \mathcal F - Ω, .

    * P probability measure \mathcal F, ,

    P(Ω) = 1, .

    :


    P [] \mathcal F Ω.



    . .

    .

    . X [a, b] : X : Pr[a ≤ X ≤ b] .

    :

    F(x) = \Pr\left[ X \le x \right]


    . : Pr[ X = x ] = 0 x .

    : : :

    \Pr \left[ a \le X \le b \right] = \int_a^b f(x)\,dx
    SARAH

  2. #2

    Jul 2011
    -
    15,678

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