What is the Probability that a Sum of Values, that have PDF estimated by a gamma distribution, is less than a...











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Lets assume I have a population of $X$ that is has a PDF estimated by a gamma distribution.
$X$ are float numbers. lets assume that my population contains $N$ number of $X [X1,X2...Xn]$



From PDF i can calculate the probability of $X_i$ being less or bigger than a certain number. How can i calculate the probability that the sum of all of the X values is less than a number $K$? Are there any estimates I can use to find the solution.



Thanks!



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    up vote
    0
    down vote

    favorite












    Lets assume I have a population of $X$ that is has a PDF estimated by a gamma distribution.
    $X$ are float numbers. lets assume that my population contains $N$ number of $X [X1,X2...Xn]$



    From PDF i can calculate the probability of $X_i$ being less or bigger than a certain number. How can i calculate the probability that the sum of all of the X values is less than a number $K$? Are there any estimates I can use to find the solution.



    Thanks!



    enter image description here










    share|cite|improve this question


























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      Lets assume I have a population of $X$ that is has a PDF estimated by a gamma distribution.
      $X$ are float numbers. lets assume that my population contains $N$ number of $X [X1,X2...Xn]$



      From PDF i can calculate the probability of $X_i$ being less or bigger than a certain number. How can i calculate the probability that the sum of all of the X values is less than a number $K$? Are there any estimates I can use to find the solution.



      Thanks!



      enter image description here










      share|cite|improve this question















      Lets assume I have a population of $X$ that is has a PDF estimated by a gamma distribution.
      $X$ are float numbers. lets assume that my population contains $N$ number of $X [X1,X2...Xn]$



      From PDF i can calculate the probability of $X_i$ being less or bigger than a certain number. How can i calculate the probability that the sum of all of the X values is less than a number $K$? Are there any estimates I can use to find the solution.



      Thanks!



      enter image description here







      probability






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      edited Nov 18 at 7:33









      Joey Kilpatrick

      1,183422




      1,183422










      asked Nov 18 at 7:22









      Kareem Jammal

      11




      11



























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