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
A team or a group usually formed based on one similar goals or point of views among the members and a lot of them set up a couple of rules to be imposed among their members to prove that they're committed to the group and its cause.