If F is the df of IX, verify that for every >0 (i) Show that a sequence of rv's (X1) is uiiff sup. P[|X|1) d0 Arv. X is said to be stochastically larger than a rv. YiPLX 2x) PIY2x) for all x (ii) If the rvs X2 1, are wi and X. is stochastically larger than .. 21, then [21] is