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MathNet 2003 — Part 02 Question 182

Math Olympiad Vault · MathNet 2003 — Part 02

Question 182

A tightrope walker stands in the center of a rope of length $32$ meters. Every minute she walks forward one meter with probability $3/4$ and backward one meter with probability $1/4$. What is the probability that she reaches the end in front of her before the end behind her?