## Question

###### (b) The moment generating function of random variable Z is defined as Wz (t) random variables then show that Yx-y (t) "x(t)y (t).E(etz-_ Now if X and Y are independentAlso, if Wx (t) (1 -p + pet)" then determine E(x) and Var(x) (Note: Try to compute these values without inferring what kind of random variable X is )

(b) The moment generating function of random variable Z is defined as Wz (t) random variables then show that Yx-y (t) "x(t)y (t). E(etz-_ Now if X and Y are independent Also, if Wx (t) (1 -p + pet)" then determine E(x) and Var(x) (Note: Try to compute these values without inferring what kind of random variable X is )

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