Marinada '25

[lang=hr] $100$ ljudi je ušlo u restoran i ostavilo svoj kaput. Kad su izlazili uzimali su nasumičan kaput. Koji je očekivan broj ljudi koji nose svoj kaput? [/lang] [lang=en] $100$ people enter a restaurant and left their coats. When leaving, each person randomly picks a coat. What is the expected number of people who get their own coat back? [/lang]