SOLUTION: In a room full of 30 people, what is the probability that at least two people have the same birthday (not including the year, so alice and bob are both born on jan 7th)? (hint:

Algebra ->  Probability-and-statistics -> SOLUTION: In a room full of 30 people, what is the probability that at least two people have the same birthday (not including the year, so alice and bob are both born on jan 7th)? (hint:       Log On


   

Question 354659: In a room full of 30 people, what is the probability that at least two people have the same birthday (not including the year, so alice and bob are both born on jan 7th)?
(hint: consider the complement)
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
This is a classic problem. Read this --> http://en.wikipedia.org/wiki/Birthday_problem