Question

# N people put their phones in a bowl, and each one takes a phone at random.

What is the

probability that nobody takes their own phone in the limit as N →∞?

(You do not need to compute the probabilities numerically in this problem, but the derivation of your ﬁnal expression should be clear.)

Statistics and Probability

N people put their phones in a bowl and each one takes a phone at random What is the