School Made Olympiad

20 students participate in a school-made olympiad: everyone has to write a question on a numbered piece of paper (from 1 to 20) and put it in a bag. The students proceed to get their to-be-solved questions by rolling a 20-sided fair dice. Let the probability that no student gets their own question be \(n\). Find the value of \(\left\lfloor1000n\right\rfloor\)

Details and Assumptions

One question can be given to many people by the die

×

Problem Loading...

Note Loading...

Set Loading...