Hello, Gui!

Given n people randomly chosen, find the smallest value of n so that the probability that

at least one of them were born on the same day of the year that you are born is at least 50%.

We will find the probability thatof them have your borthday.none

The probability thatof the people have your birthday is:.none

. . We want this to beless50%.than

We have: .

Take logs: .

Therefore: .

. . It will take 253 people.