Insight · ★★★★☆ · ~7 min
The Drunk Ant on a Cube
An ant random-walks a cube's edges — expected steps to the far corner?
by MindYourPuzzle
An ant starts at one corner of a cube, walks randomly along edges, picks one of 3 connected edges at each corner.
Expected number of edges walked to reach the diagonally opposite corner?
edges
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