Problem. 3: Contract analysis. A contractor's financial outlay X and labor force Y are random variables with bivariate pdf given by: fx,y(x, y) = kxy, for 10,000 < x < 100,000 and 10 < y < 20, and = 0, elsewhere. %3D (a) Evaluate constant k. (b) Determine the marginal pdf of X and Y.

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