STAT330 Lecture Notes - Lecture 2: Marginal Distribution
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(a) the support of (x, y ) is pictured below: y. Z0 (cid:0)1 x4(cid:1) dx = k(cid:20)x . 5 by symmetry k and thus k = 0 < y < 1 x2, 1 < x < 1. Therefore or f (x, y) : (b) the marginal p. d. f. of x is. P1 y < x