document.write( "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? \n" ); document.write( "

Algebra.Com's Answer #809601 by ikleyn(52802) $\"\"$ $\"About$

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document.write( "It is the probability of getting two tails and two heads of 4 flips in any order\r\n" );
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document.write( "    P(2T2H of 4) =  =  = 0.375.     ANSWER\r\n" );
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