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Joint Random Variables

  1. Dec 4, 2012 #1
    X and Y are independent, exponentially distributed random variables - with possibly different parameters

    Determine the density func. of Z = X / Y

    How to attack ?
     
  2. jcsd
  3. Dec 4, 2012 #2

    haruspex

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    What eqn can you write for the pdf of Z at z given Y=y?
    How can you then average that out over all possible y?
     
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