Solved: Assuming that all years have 365 days and all
Chapter 9, Problem 9.114(choose chapter or problem)
Assuming that all years have 365 days and all birthdays occur with equal probability, how large must n be so that in anyrandomlychosengroupofn people,theprobabilitythat two or more have the same birthday is at least 1/2? (This is called thebirthdayproblem.Many people nd the answer surprising.)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer