100 students are boarding the hogwarts express! they all have allocated seats but the 1st wizard to board sits in the wrong seat

Question

3 years ago

12

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 percent chance the last passenger will get his seat

Mathematics

1 answer:

agasfer [191] · Answer 1 · 2022-07-08T16:47:31+03:00

agasfer [191]3 years ago

6 0

It would be 50%, because they have a 50/50 chance of getting their seat, even if the first wizard/witch got in the wrong seat.