Mo Salah is lining up to take a penalty kick. He decides to perform motions. Each motion is either steps forward or step backwards. Find the probability that after motions, Salah is exactly where he started.
Mo Salah is lining up to take a penalty kick. He decides to perform motions. Each motion is either steps forward or step backwards. Find the probability that after motions, Salah is exactly where he started.
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