1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Density of two functions

  1. Feb 10, 2008 #1
    1. The problem statement, all variables and given/known data

    Say X and Y are independent random variables with densities f and g, respectively:

    f(x) = e^(-x) if x > 0 and 0 if x < 0

    g(y) = 2e^(-2y) if y > 0 and 0 if y < 0

    Calculate a density function for Y/(X+1)

    2. Relevant equations
    Change of variable?
    Convolution?
    Calculating distribution function?

    3. The attempt at a solution

    I know convolution lets you find the addition of densities, but dividing them is something altogether new for me, and I am not sure how to even approach it.
     
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted



Similar Discussions: Density of two functions
  1. Density function (Replies: 4)

  2. Density function (Replies: 1)

Loading...