
3K followers • DS & AI
Apr 9, 2025 • 40m • 60 views
Suppose that each of N men at a party throws his hat into the center of the room. The hats are first mixed up, and then each man randomly selects a hat. (a) What is the probability that none of the men selects his own hat? (b) What is the probability that exactly k of the men select their own hats?