# The Birthday Problem

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A famous problem in elementary probability is to compute the likelihood that two people in a room with people have the same birthday. Here we adopt the common simplifying assumptions that the birthdays in the room are drawn independently and at random from a 365-day year. Use the slider to adjust the number of people in the room.

Contributed by: Chris Boucher (May 2011)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"The Birthday Problem"

http://demonstrations.wolfram.com/TheBirthdayProblem/

Wolfram Demonstrations Project

Published: May 25 2011