Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

How do you find moment generating function?

  1. Dec 16, 2004 #1
    I have absolutly no idea how to do this.

    so let X be a random variable with pdf fx(xy) =
    x for 0<=x<=1
    2 - x for 1 <= 1 <= 2
    0 otherwise.

    I"m looking through my book, and it doesn't give examples that resembles this.

    all I see is the moment is e^(tk) * the function....

    and tI dont know what to do when it comes to my problem.

    is it the integeral from 0 to 1 of e^(tk) * x + the integeral from 1 to 2 of e^tk * 2 - x?
     
  2. jcsd
  3. Dec 17, 2004 #2
    If you mean int(e^(t*k) *x,x= 0 .. 1) + int(e^(t*k) * (2-x),x=1 ..2) you are right.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: How do you find moment generating function?
Loading...