New posts in Random Walk

2 dimensional symmetric random walk

a coupling probability problem and random walk game

Probability of Exiting A Roundabout

Unexpected answer to an expected value problem

Problem with Gambler's ruin

Probability that random walk will reach state $k$ for the first time on step $n$

Random walk on the lamplighter group

Probability of landing on the nth stair.

Probability of finding a random mass

Martha has a fair die with the usual $6$ sides...What is the probability that she stops at a cumulative sum of $13$?