Mathematics, 10.03.2020 22:01 cammie505

There are n people in line, indexed by i=1,…,n , to enter a theater with n seats one by one. However, the first person ( i=1 ) in the line is drunk. This person has lost her ticket and decides to take a random seat instead of her assigned seat. That is, the drunk person decides to take any one of the seats 1 to n with equal probability. Every other person i=2,…,n that enters afterwards is sober and will take his assigned seat (seat i ) unless his seat i is already taken, in which case he will take a random seat chosen uniformly from the remaining seats. Suppose that n=3 . What is the probability that person 2 takes seat 2?

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There are n people in line, indexed by i=1,…,n , to enter a theater with n seats one by one. However...