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  • pdf of X

    Can anybody try to solve and explain this problem?
    Let the distribution function of X for x>o be F(x) = 1- sum of (k = 0 to 3) [x^ke^-x]/k!. What is the pdf of X for x>0. Ans: 1/6(x^3e^-x)

    Thanks

    Rup

  • #2
    If you differentiate F(x), the pdf that you stated will be F'(x).
    Sam Broverman

    [email protected]
    www.sambroverman.com

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    • #3
      Re:

      Thanks, Sam!

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