the birthday paradox
Logic
Level
pending
what is the percentage that two persons in your neighbourhood have same birthday? (your neighbourhood has 23 persons) .
The answer is 50.7.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
the percentage that no two person have the same birthday: (365/365)X(364/365)X(363/365).......X(343/365)=49.27
so there is 50.7 chances that two persons have same birthday.