Let X and Y be independent random variables, both being equally likely to be any of the numbers 1,2,...........,m: Find E(abs(X-Y))?
Last edited by mr fantastic; June 26th 2010 at 05:04 PM. Reason: Re-titled.
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Originally Posted by Pushpa Let X and Y be independent random variables, both being equally likely to be any of the numbers 1,2,...........,m: Find E(abs(X-Y))? What have you tried so far?
Originally Posted by Pushpa Let X and Y be independent random variables, both being equally likely to be any of the numbers 1,2,...........,m: Find E(abs(X-Y))? I suggest you first try this question for concrete value of m. Try it for m = 2 and m = 3.
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