8. Let X be the simple symmetric random walk on the integers in continuous time, so that Pi,i+1 (h) = Pi,i-1 (h)= ah+o(h). Show that the walk is persistent. Let T be the time spent visiting m during an excursion from 0. Find the distribution of T.
8. Let X be the simple symmetric random walk on the integers in continuous time, so that Pi,i+1 (h) = Pi,i-1 (h)= ah+o(h). Show that the walk is persistent. Let T be the time spent visiting m during an excursion from 0. Find the distribution of T.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 36E
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![8. Let X be the simple symmetric random walk on the integers in continuous time, so that
Pi,i+1 (h) = Pi,i-1 (h)= ah+o(h).
Show that the walk is persistent. Let T be the time spent visiting m during an excursion from 0. Find
the distribution of T.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd0245db4-afed-4429-a946-96a4aee9fb52%2F79480ec1-a48c-424b-8693-c84b21943948%2Ftq2625_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. Let X be the simple symmetric random walk on the integers in continuous time, so that
Pi,i+1 (h) = Pi,i-1 (h)= ah+o(h).
Show that the walk is persistent. Let T be the time spent visiting m during an excursion from 0. Find
the distribution of T.
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