The Student Room Group

Birthday paradox - Try this out

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Original post by snowyowl
I know loads of people with your birthday!


:woo:
Original post by PoisonSky
may 18


May 18th :yep:
Still no birthday buddy :frown: 6th February anyone?
The paradox is this;

In a room of people, in this case a forum intuition leads you to think that need 365 people or somewhere around that for people to have the same birthday (since there are 365 possible birthdays someone can have)
However once you get to 57 people in the room, there is a 99% chance that you will find two people with the same birthday - much lower than 365
What is the point of this? It's going to take around 365 posts for a particular person to find someone with the same birthday.

1st June
Original post by spocckka
What is the point of this? It's going to take around 365 posts for a particular person to find someone with the same birthday.

1st June


Your birthday has already been posted actually :redface:
29th October
Original post by spocckka
What is the point of this? It's going to take around 365 posts for a particular person to find someone with the same birthday.

1st June


Loads of people have already found someone with the same birthday
Reply 188
1st july
Original post by Where'sPerry?
Your birthday has already been posted actually :redface:


Oh, sweet :smile:
February 27th!
Reply 191
27th August
November 26th :smile:
1st March
Original post by Lexi99
3rd march


Me too! 3rd March ftw
Original post by Blake-inator
June 25th


My mum and my friend both have this birthday.

8th November. No birthday buddies for me. :frown: Though I know someone irl with it.


Posted from TSR Mobile
(edited 11 years ago)
4th December :smile:
Still no june 18th!!
Reply 199
Original post by CodeJack
I'm 20th :frown: Closest to me yet. But hey, you share my mum's birthday :P


Nice, my dad's birthday is on the 24th June. My proper exams start on my birthday and finish on my dad's birthday.

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