Prob(two sets of matched birthdays) = 1 - [Prob(No matched birthdays)] + [Prob(One set of matched birthdays)] = 0.63
No. You're only born 1 day, and can only have 1 birthday. Of course you can celebrate it on another day, and then call it 2 birthdays, but you can only have one real :)
It is to celebrate the day of your birth. and the reason why peoples 18th birthday is so important is because they are growing into an adult.
One! Why do people write such silly questions?
For the chance to be at least 50% that two people share the same birthday, there needs to be 22 people. For the chance to be exactly 100% that two people share the same birthday, there needs to be 366 people. If there was 365 people, there would be a very small chance that each person in the room would have different birthdays. With 366 people, there are not enough individual days for every person to have a different birthday, so there has to be at least one pair.
Prob(two sets of matched birthdays) = 1 - [Prob(No matched birthdays)] + [Prob(One set of matched birthdays)] = 0.63
Yes they can. In the Korean group miss A, there are two Chinese people. In another Korean group, f(x) there is two Chinese people (one is currently not there). So you can be a Korean singer if you're Chinese.
Hammurabi had two birthdays because he believed in reincarnation!
No. You're only born 1 day, and can only have 1 birthday. Of course you can celebrate it on another day, and then call it 2 birthdays, but you can only have one real :)
Millions around the world.
obviosly, they celebrate birthdays but they do it with a lot of alchocol!
They don't. They only celebrate 15th birthdays, which is a quinceanera.
I likes Korean people...
It is to celebrate the day of your birth. and the reason why peoples 18th birthday is so important is because they are growing into an adult.
Only those people with birthdays.
William Shakespeare.
they dont