My Math Forum distribution of a function of a random variable problem

 February 29th, 2012, 04:00 PM #1 Member   Joined: Jan 2012 Posts: 63 Thanks: 0 distribution of a function of a random variable problem a)let X be continuous random variable.Compute the c.d.f. and the density of |x| b)Let X be a continuouse nonegative random varible with density function fX?Caculate the density of Y=X^n c)Let X be uniform on (0,1) and K>0. caculate the density of Y=(-1/K)*log(1-X) can someone help me to solve it , i know it is simple
 February 29th, 2012, 05:00 PM #2 Senior Member   Joined: Feb 2012 Posts: 628 Thanks: 1 Re: distribution of a function of a random variable problem Correct me if I'm wrong, but don't you need to know the p.d.f. of X before you can answer (a)?
March 1st, 2012, 03:45 AM   #3
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Re: distribution of a function of a random variable problem

Quote:
 Originally Posted by icemanfan Correct me if I'm wrong, but don't you need to know the p.d.f. of X before you can answer (a)?
the question says you can do it by that way, but there is a direct way to solve it .

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