logo1 logo2
 pzzls menu
 pzzls links
 puzzle answer
 

Also having birthday today?

Out of how many people should a group at least consist in order to have that the probability that two persons out of that group are having birthday on the same day, is larger than 1/2? birthday cake

Answer

If the group consists out of 23 or more people, the probability that two of them are having birthday on the same day is larger than 1/2.

Give this puzzle a mark:
1   2   3   4   5



(5=fantastic, 4=nice, 3=fine, 2=mwah, 1=stupid)

 mail puzzle

 Last changed 16-01-2010
Copyright 1999-2010 pzzls.com
rss