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Posted: **Thu Apr 28, 2022 7:37 am**

: Let X N 0 In And A Denote A Symmetric N X N Matrix A 1 Point Check Whether Q Xt Ax Has A Weighted X2 Distribu 1 (72.79 KiB) Viewed 18 times

Let X ~ N(0, In) and A denote a symmetric n x n matrix. (a) (1 point) Check whether Q = XT AX has a weighted x2 distribution. = (b*) (2 points) Find m.g.f. of Q using eigenvalues of A.