Let the discrete random variables X, Y be jointly distributed with pmf given by
p(x,y)= (2/(n(n+1))), if x = 1, 2,...., n and y= 1,2,....,x
= 0, otherwise
Please calculate E(X | Y=y), E (Y | X=x) ,and Cov (X,Y)
Please explain in details. Thank you so much!
Statistics:Joint pmf (Urgent)
2013-02-07 9:54 pm
回答 (1)
2013-02-08 11:20 pm
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