Braingle Lite



Secret Santas I

Category:Probability
Submitted By:javaguru
Fun:*** (2.22)
Difficulty:*** (2.95)



A group of about twenty friends decide to exchange gifts as secret Santas. Each person writes their name on a piece of paper and puts it in a hat and then each person randomly draws a name from the hat to determine who has them as their secret Santa.

What is the probability that at least one person draws their own name?

Show Hint Show Answer



Comments on this teaser

Show all 4 comments




Search:
Browse:

Most Popular | Hardest | Easiest




Privacy | Terms
Copyright © 2003