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April 22nd, 2011, 07:55 AM  #1  
Newbie Joined: Aug 2009 Posts: 29 Thanks: 0  Joint Probability Distribution question
Hello guys, I wanna ask a few questions regarding Probability and Statistics here. I really have no idea how to solve it. Can someone point to me and give me some ideas how to solve this kind of question? I know this is not a place to doyourhomework but I really need some help here. Just tell me what to use and I'll try to solve it by myself. Quote:
Enlighten me through this please The possibilities can be set up in a table as follows: X.....Y 0.....0 1.....0 2.....0 0.....1 1.....1 2.....0 Consider in each case how many ways it could happen. For example, X=0 and Y=0 means there are 3 (out of eight) ways the first book could be physics and 2 (out of 7) ways the second book could be physics. Therefore this covers 6 out of 56 ways.  

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