Let Y1 denote the first order statistic of a random sample of size n from distribution having pdf f(x) – e^-(x-theta) where 0lt;xlt;infinity. Let….

Let Y1 denote the first order statistic of a random sample of size n from distribution having pdf f(x) – e^-(x-theta) where 0<x<infinity. Let Zn =n(Y1 -thetha). Investigate the limiting distribution of Zn.