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Course: EE 121, Fall 2009
School: Berkeley
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121 EE : Introduction to Digital Communication Systems Problem Set for Discussion Section 1 Mon 1/28/2008 and Wed 1/30/2008 1. (based on 2.3 Gallager's book) (a) For a nonnegative integer-valued r.v. N , show that E[N ] = Pr(N &gt; n). n=0 (b) Show, with whatever mathematical care you feel comfortable with, that for an arbi trary nonnegative r.v. X that E[X] = 0 Pr(X a)da. (c) Derive the Markov inequality,...

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121 EE : Introduction to Digital Communication Systems Problem Set for Discussion Section 1 Mon 1/28/2008 and Wed 1/30/2008 1. (based on 2.3 Gallager's book) (a) For a nonnegative integer-valued r.v. N , show that E[N ] = P...
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