Suppose that X is a random variable for which the m.g.f. is as follows: (t) = et
Question:
Suppose that X is a random variable for which the m.g.f. is as follows:
ψ(t) = et2+3t for −∞ < t < ∞.
Find the mean and the variance of X.
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Related Book For 
Probability And Statistics
ISBN: 9780321500465
4th Edition
Authors: Morris H. DeGroot, Mark J. Schervish
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