Consider two gamblers in a Casino. If you win you win 1 Baht and if you lose you lose 1 Baht. They both start out with 20 Baht in their pocket. • Mr. A bet 20 Baht on 1 fair coin toss. • Mr. B bet 1 Baht each on 20 fair coin tosses. Each winning/losing are independent of each other. After both finish the game, they walk out from the casino Find the standard deviation of Mr. A profit. Find the standard deviation of Mr. B profit.

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