How often do you return AND CROSS the origin in a random walk?(adsbygoogle = window.adsbygoogle || []).push({});

Is there a probability distribution for how many times can you expect a change in the lead of a coin tossing contest between two players (heads Vs. tails)?

Which is the most likely # of changes in the lead?

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# How often do you return to the origin in a random walk?

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