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- Thread starter Poirot
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- Jan 26, 2012

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Please post the entire question, in particular the definition of your modified random walk

(1)Consider the expected duration of the modified random walk. Show that conditioning on the first step produces a recurrence equation of the following form.Ea = ˜pEa+1 + ˜qEa−1 + ˜c.

(2)Clearly identify the values of ˜p, ˜q and ˜c in terms of p, q and r.

Thanks

CB