SOLUTION: A person is playing hopscotch. She lets the flip of a coin determine whether she's moving forwards, or backward. If she flips a head, she moves 1 step forward, and if she flips a t

Question 1180018: A person is playing hopscotch. She lets the flip of a coin determine whether she's moving forwards, or backward. If she flips a head, she moves 1 step forward, and if she flips a tail, she moves 1 step backward. What is the probability that after 4 coin tosses, she will be in the same place?
Answer by ikleyn(52797) (Show Source): You can put this solution on YOUR website!
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It is the probability of getting two tails and two heads of 4 flips in any order


    P(2T2H of 4) =  =  = 0.375.     ANSWER

Solved.

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