chimeracoder Aditya Mukerjee
Fun twist on birthday problem: In May @foursquare had ~70 people and two sets of birthday pairs, one of which was Feb. 29. Odds of this are?

February 29, 2012 #

chimeracoder Aditya Mukerjee
.@chimeracoder Let's see who has the first correct answer. I'll try and think of an appropriate prize for the 'winner'! (cc @foursquare)

February 29, 2012 #

jliszka Jason Liszka
@chimeracoder @foursquare 100%. It happened.

February 29, 2012     2 retweets #

chimeracoder Aditya Mukerjee
@jliszka @foursquare Touche. Better wording: ' What is the prior for a group of size N, for exactly two collision pairs, one on 2/29?'

February 29, 2012 #