Formal is like writing to professors. like this, The other day I was with a couple of friends at a cinema. After watching the film the Manager came towards us.... ect ect
Given:
Total students to board the Hogwarts Express = 100 students
The first student occupies the wrong seat.
Each student occupies the allocated seat (if available) if not, he chooses a seat at random.
Determine the chance that the last passenger will get to his seat:
1/99 = 0.01 * 100 = 1.01%
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The answer is B... Whenever someone is looking at statistics they always want to know if the info is reliable.
