Mathematics, 23.01.2022 06:00, hfleysher

Rocky is standing on a sidewalk made of cement squares. He will toss a coin 4 times. For each head, he'll move one square forward. For each tail, he'll move one square backward. What is the probability that after 4 tosses he'll be back in the square where he started? Express your answer as a common fraction.

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Rocky is standing on a sidewalk made of cement squares. He will toss a coin 4 times. For each head,...