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4. X and Y are joint continuous random variables and their joint p.d.f. is given by Let W be the
continuous random variable distributed by W = X + Y . (a) Find the p.d.f. of W using the
Distribution Function Technique. Be sure to determine where this p.d.f. is non-trivial. (10 pts.).
(b) Find P ( 0 < W < 2 1 ) ( 5 pts. )

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4- X and Y are joint continuous random variables and their joint p-d-f.pdf

  • 1. 4. X and Y are joint continuous random variables and their joint p.d.f. is given by Let W be the continuous random variable distributed by W = X + Y . (a) Find the p.d.f. of W using the Distribution Function Technique. Be sure to determine where this p.d.f. is non-trivial. (10 pts.). (b) Find P ( 0 < W < 2 1 ) ( 5 pts. )