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(28) Suppose the random variables X and Y have joint density function c+cy 0 (28) Suppose the random variables X and Y have joint density

(28) Suppose the random variables X and Y have joint density function c+cy 0

(28) Suppose the random variables X and Y have joint density function where c is a constant. otherwise (a) Find the value of a. (b) Find P(2X Y) (c) Find the marginal density functions fx (r) and fy(y).

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