(1) Let X be a r.v. then (a) (X+ + X-)2 = X (b) (x+ - X-)2 = (X+)2 + (x-)? (c) X* X = 0 (d) All of the above (2) Let I2
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(1) Let X be a r.v. then (a) (X+ + X-)2 = X (b) (x+ - X-)2 = (X+)2 + (x-)? (c) X* X = 0 (d) All of the above (2) Let I2
(1) Let X be a r.v. then (a) (X+ + X-)2 = X (b) (x+ - X-)2 = (X+)2 + (x-)? (c) X* X = 0 (d) All of the above (2) Let I2 = R, let X be a r.v. with X(@) = 02 – 3w. Then X (1) + X+(1) (a) -2 (b) 0 (c)2 (d) None. =