(b) The p.d.f. of a r.v, X follows the following probability law P (x) = 1...

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(b) The p.d.f. of a r.v, X follows the following probability law P (x) = 1 exp (-1x-01). 1-8, xx. Find m.g.f. of X. Hence or otherwise, find E(X) and Var (X). (b) The p.d.f. of a r.v, X follows the following probability law P (x) = 1 exp (-1x-01). 1-8, xx. Find m.g.f. of X. Hence or otherwise, find E(X) and Var (X).