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  3. 3 let sn n gt 0 be a symmetric random...

Question: 3 let sn n gt 0 be a symmetric random...

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3. Let {Sn, n > 0} be a symmetric Random Walk on Z. Defined To inf(n > 1 : Sn-0} the time of first passage to state 0, prove that 2n - 1 for any n 2 1

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