Compute Random Walk Hitting and Return Probabilities

Quick Overview

This question evaluates understanding of probability theory and stochastic processes, specifically simple symmetric random walks, expected hitting times with absorbing boundaries, and recurrence versus transience (return probabilities) on integer lattices.

Compute Random Walk Hitting and Return Probabilities

Company: Cfm

Role: Data Scientist

Category: Machine Learning

Difficulty: hard

Interview Round: Technical Screen

Quick Answer: This question evaluates understanding of probability theory and stochastic processes, specifically simple symmetric random walks, expected hitting times with absorbing boundaries, and recurrence versus transience (return probabilities) on integer lattices.

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May 31, 2026, 12:00 AM
hardData ScientistTechnical ScreenMachine Learning
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