nutes, 12 seconds. P 6 GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG 6. The random variables Y1, Y2, Y3 are independent and normally distributed but not identical. The distribution of Y, is N(u + a1, 02); the distribution of Y2 is N (u + 02, 02); and the distribution of Y3 is N(u + 03, 02), with a, 4 az + a3 = 0. Let Ya = 1+2+13 3 13 Find E(X_, (Yi - V3) 2). This problem is worth 65 points. End of the Examination press ALT+F10 (PC) or ALT+FN+F10 (Mac). S Paragraph Arial 10pt EV AV HE