2.5.3 Let S0 D 0, and for n 1, let Sn D 1 C Cn...
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2.5.3 Let S0 D 0, and for n 1, let Sn D "1 C C"n be the sum of n independent random variables, each exponentially distributed with mean E["] D 1. Show that Xn D 2n exp.????Sn/; n 0 defines a martingale.
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Related Book For
An Introduction To Stochastic Modeling
ISBN: 9780233814162
4th Edition
Authors: Mark A. Pinsky, Samuel Karlin
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