
Probability and Statistics Basic Probability and Statistics Math Forum 
 LinkBack  Thread Tools  Display Modes 
December 3rd, 2010, 06:14 PM  #1 
Joined: Dec 2010 Posts: 1 Thanks: 0  What is the probability distribution of X+Y?
Hi.. I would be grateful if anyone can solve this for me: X1 and X2 follow the distribution: ? x exp(?0.5 ? x2) for x > 0, fX(x) = 0 for x < 0. Given that Y=X1+X2, what is the probability distribution of Y? Thx in advance. 
December 4th, 2010, 04:43 PM  #2  
Global Moderator Joined: May 2007 Posts: 4,695 Thanks: 257  Re: What is the probability distribution of X+Y? Quote:
 

Tags 
distribution, probability 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Probability Distribution  lemon_kaka  Advanced Statistics  5  September 23rd, 2013 01:07 PM 
The probability distribution of Y  450081592  Advanced Statistics  5  November 11th, 2011 03:57 PM 
Which probability distribution is appropriate?  Aqil  Advanced Statistics  2  April 12th, 2011 01:07 PM 
Probability Distribution  tfhawk  Algebra  1  July 18th, 2009 06:27 AM 
Probability Distribution Help?  RossBrons  Advanced Statistics  1  December 28th, 2008 09:35 AM 