How many people do we need in a class to make the probability that two people have the same birthday more than (1/2)? (Assume 365 days a year)

Question

anonymous · Answer

183 right?

anonymous · Answer

I was hoping you would know lol. It seems so. Can anyone else just clarify before I move on studying.

anonymous · Answer

Google "the birthday problem".  its a very famous problem.  The answer turns out to be 23.

anonymous · Answer

if it was 366 students we will be sur tahat there is at least two with the same thing.  so for 1:2 it's 366/2. no??.

anonymous · Answer

could u please explain?

anonymous · Answer

http://www.youtube.com/watch?v=WZ6PoqGvSbk hey joemath thanks for sending me in the right direction rfig.khalil this should help.