Question

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)

Answer 1

183 right?

Answer 2

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

Answer 3

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

Answer 4

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??.

Answer 5

could u please explain?

Answer 6

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