1. 

   asmkdas Member

   Please check the attachments. I have red marked my problem.

    

   Last edited by a moderator: Feb 27, 2013

   asmkdas, Dec 17, 2012

   #1
2. 

   freddie Member

   I think the question wants you to show that X and Z are independent, for which you need to show that f(x) x f(z) = f(x,z), and that Y and Z are independent, for which you need to show that f(y) x f(z) = f(y,z).

    

   freddie, Dec 18, 2012

   #2

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