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Dec 5, 2012 at 1:35 history edited Omer CC BY-SA 3.0
added some details.
Dec 5, 2012 at 1:31 comment added Ori Gurel-Gurevich @FloatingForest: why are you surprised? the distance of a RW from its point of origin is roughly $\sqrt{t}$ in any dimension.
Dec 4, 2012 at 1:13 history answered Omer CC BY-SA 3.0