100 students are boarding the Hogwarts express! They all have allocated seats but the 1st wizard to board sits in the wrong seat. Each student then gets onto the train and takes their allocated seat if it’s available. If not, they pick a seat at random. What is the chance the last passenger will get his seat?
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there are total 100 allocated seats
number of students is 100
So
if the students sit in any way all will get the seat
Therefore
the last passenger have full chance to get the seat
number of students is 100
So
if the students sit in any way all will get the seat
Therefore
the last passenger have full chance to get the seat
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