Cummulative probability problem

Discussion in 'Math' started by boks, Jan 9, 2009.

  1. boks

    Thread Starter Active Member

    Oct 10, 2008
    218
    0
    If the commulative probability of a continuous randon variable X with density function f(x) is

    F(x) = 1 - x^{-3},

    find the probability that X exceeds 4


    My attempt:

    P = F(\infty) - F(4) = 0.0156
     
    Last edited: Jan 9, 2009
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