Suppose that X is a random variable for which the m.g.f. is as follows: (t) = 1/5

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Suppose that X is a random variable for which the m.g.f. is as follows:
ψ(t) = 1/5 et + 2/5 e4t + 2/5e8t for −∞ < t < ∞.
Find the probability distribution of X. It is a simple discrete distribution.
Distribution
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Probability And Statistics

ISBN: 9780321500465

4th Edition

Authors: Morris H. DeGroot, Mark J. Schervish

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