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Suppose that  X and Y  have the following joint probability density function. f (x, y)  = ...

Suppose that  X and Y  have the following joint probability density function. f (x, y)  =  3 /146 *x, 0  <  x  <  5,  y  >  0,  x − 2  <  y  <  x + 2 Find E(X).

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