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September 23rd, 2013, 05:08 AM  #1 
Newbie Joined: Sep 2013 Posts: 1 Thanks: 0  Probability and Statistics
Let X and Y be random variables with E(XY) = 2 Y , Var(XY)=6 Y^2, Var(Y) =10, E(Y)=7 a. Find the mean and variance of X. b. Find the correlation coefficient between X and Y. 

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