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Moment generating functions are useful for several reasons, For example, the first moment is the expected value E[X]. The second central moment is the variance Calculate the moment generating function φX(s). Problem 6.3.1 Solution For a constant a > 0, a zero mean Laplace random variable X has PDF fX (x) = a 2 A simple example might be a single random variable x Techniques for ﬁnding the distribution of a transformation of Method of moment generating functions. MATH 464 EXAMPLES OF COMMON DISCRETE RANDOM VARIABLES 3 Moreover, the moment generating function associated to Xis given by M X(t) = exp[ (exp[t] 1)] Problem Suppose we were given the function F(t) The moment generating function M(t) Look up the moment generating functions of X and Y in the handout on the basic Lecture 24 Agenda 1.Examples from Normal Distribution 2.Beta distribution 3.Moment Generating Function Example Mainly two kind of examples are done for normal Moment generating function. 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