.2.9. Let Y₁, Y2, ... be nonnegative i.i.d. random variables with EYm = 1 and P(Ym = 1) < 1. (i) Show that Xn = men Ym defines a martingale. (ii) Use The- rem 5.2.9 and an argument by contradiction to show X₁ → 0 a.s. (iii) Use the trong law of large numbers to conclude (1/n) log Xn → c < 0.
.2.9. Let Y₁, Y2, ... be nonnegative i.i.d. random variables with EYm = 1 and P(Ym = 1) < 1. (i) Show that Xn = men Ym defines a martingale. (ii) Use The- rem 5.2.9 and an argument by contradiction to show X₁ → 0 a.s. (iii) Use the trong law of large numbers to conclude (1/n) log Xn → c < 0.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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