A simple random walk starts at the origin, and the proba- bility to go right at each step is p = 1/2. a. What is the probability that the walk is at the origin after 7 steps? Ex- plain the reasons. b. What is the probability that the walk is at the origin after 8 steps? Explain the reasons and write down the probability formula.
A simple random walk starts at the origin, and the proba- bility to go right at each step is p = 1/2. a. What is the probability that the walk is at the origin after 7 steps? Ex- plain the reasons. b. What is the probability that the walk is at the origin after 8 steps? Explain the reasons and write down the probability formula.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 11CR
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