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.Com
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) (Show Source): You can put this solution on YOUR website!
This is a classic problem. Read this --> http://en.wikipedia.org/wiki/Birthday_problem
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