I should be in the fucked thread and things that make you go mmmmmmm

Things that may you go Hahahahahahahahahaha hope you didn't kill someone. Though that would be a bit exciting if you did.
Much fuc
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I should be in the fucked thread and things that make you go mmmmmmm
Much fuc
^ +1 That wasn't SHM talking about drink driving was it? I have memories of being scolded badly by him, for my driving sins of hitting 100mph on a on an A road. Do you remember that one, old pal? and my lack of insurance got you a bit heated if I remember correctly?
Ah fuck, it's 7am I'm drinking special brew and posting in the gibbering thread...
bet SHM didnt kill anyyone.
Question
If u have 365 pals what are the odds of them having different birfdays ?
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A number far too big to fit into this post. However...that always reminds me of an old headmaster of mine who was probably responsible for getting me into gambling. He was a maths genius and he liked me (probably the only HM I had who ever did, I don't get on well with authority, you may have noticed). And he took me aside one day to explain why, in a class of 30 kids, it was always worth a bet that 2 of them would share a birthday.
To this day I can't really remember his rationalisation because really the odds aren't that great (or rather they are big odds coz it is unlikely) but he was convinced this was a way to use probability to beat bookies.
He was also a pisshead mind.
A number far too big to fit into this post. However...that always reminds me of an old headmaster of mine who was probably responsible for getting me into gambling. He was a maths genius and he liked me (probably the only HM I had who ever did, I don't get on well with authority, you may have noticed). And he took me aside one day to explain why, in a class of 30 kids, it was always worth a bet that 2 of them would share a birthday.
To this day I can't really remember his rationalisation because really the odds aren't that great (or rather they are big odds coz it is unlikely) but he was convinced this was a way to use probability to beat bookies.
He was also a pisshead mind.
It's pretty cool, it's called the birthday paradox where if you have 23 people in a room there's a 5050 chance two of them will have the same birthday.
The jist of it is: if you ask a random person when their birthday is there's a 1/365 chance it's the same as yours, but you'll also be asking 21 other people so by the end of it you've compared your birthday to 22 people.
The bit that makes this harder to wrap your head around is that everyone else in that room is also asking 22 people when their birthday is. This means that there are 253 combinations of pairs in the room - ie 253 times that two people have compared each others birthdays.
The next bit is somewhat mathsy .The probabilty of two people not having the same birthday is 364/365 but as there are 253 pairs we put 364/365 to the power of 253, (364/365)^253.
This gives 0.4995 but remember that this is the probability of two people in a room of 23 not having the same birthday. So the probability of two people having the same birthday is 1-0.4995 which equals 0.5005, ie 50.05%.
Where is the room u speak of ?
your mad![]()
It's pretty cool, it's called the birthday paradox where if you have 23 people in a room there's a 5050 chance two of them will have the same birthday.
The jist of it is: if you ask a random person when their birthday is there's a 1/365 chance it's the same as yours, but you'll also be asking 21 other people so by the end of it you've compared your birthday to 22 people.
The bit that makes this harder to wrap your head around is that everyone else in that room is also asking 22 people when their birthday is. This means that there are 253 combinations of pairs in the room - ie 253 times that two people have compared each others birthdays.
The next bit is somewhat mathsy .The probabilty of two people not having the same birthday is 364/365 but as there are 253 pairs we put 364/365 to the power of 253, (364/365)^253.
This gives 0.4995 but remember that this is the probability of two people in a room of 23 not having the same birthday. So the probability of two people having the same birthday is 1-0.4995 which equals 0.5005, ie 50.05%.