#one of my mates tried using taylor and it sorta works but it came out different from the approximation on say the wikipedia page

[carlyraejepsans]

actually let's shoot this one into the void, does anyone know if there's a way to simplify the birthday paradox for large groups of people? i mean, calculating the probability that at least 2 people share a birthday in a group of 10 is still feasible by hand/manual calculator, but with 20 the numbers are so huge they're hard to work with.

I'm trying to figure out how many people you'd need for the chance of someone sharing a birthday to go above 50%