GEM真有talent，但最吸引我的不是她的32D，而是她也是8月16号出生。
Birthday problem: how many people in a room so that there is a >50% chance that two have the same birthday (dd/mm)?
Answer: 23!
If there are 50 people in a room, the probability of two having the same birthday will be 97%.
# posted by Birdie @ 11:30 PM
