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Given a cube. A ant is placed in a corner and cannot move. A spider starts from the opposite corner, and can move along cube edges in any direction (x,y,z) with probability 1/3. What is the expected number of steps for this spider to get to the ant?
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Quantitative Analyst

Interviewed at Chatham Financial

3.3
Jun 25, 2014

Given a cube. A ant is placed in a corner and cannot move. A spider starts from the opposite corner, and can move along cube edges in any direction (x,y,z) with probability 1/3. What is the expected number of steps for this spider to get to the ant?

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