(b) [6 marks] Demonstrate that the result of the t-th E-step of the EM algorithm, based on the lower bound given above, is given by the following expressions: t-1 qin (x2 = j) = for: i, j = 0 or 1 t-1 t-1 dio t-1 ji + a 11 gi(2 = ) = for: i, j = 0 or 1 = 0671 +2 -1 t-1 aoi + alli