Question: 18. Let X and Y have joint pdff(x, y) =e); 0 0 How 18. Let X and Y have joint pdff(x, y) e-s; 0 <

18. Let X and Y have joint pdff(x, y) e-s; 0 <

18. Let X and Y have joint pdff(x, y) =e); 0 0 How

18. Let X and Y have joint pdff(x, y) e-s; 0 < x < y < cc and zero otherwise. (a) Find the joint pdfofS X + Y T X. (b) Find the marginal pdf of T. (c) Find the marginal pdf Of S. The answers are: 18 a. O < t

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