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Advanced Random Walk Question (bruce, pzhon)
We know that if the random variable X represents the distance from the origin after a random walk of N steps, then, for sufficiently large N, X is normal with mean 0 and SD sqrt(N).
But consider the different but related random variable Y, which represents the maximum distance from the origin over the entire walk. That is, the farthest away from 0 that we ever get at any point during the N steps. What is the distribution of Y? |
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