Over 90%
Depends on how you define it tbh and like you probably would have to tackle determinism and genetics (are traits primarily genetic, how big of a role does environment play). Realistically you could say 100% but I think 95% is a reasonable if you believe in a degree of free will
Literally everything buddy not just 90, ur hearts can stop any moment, ur muscles can atropy or paralyse any moment,etc
idk like 67%?
SIX SEVEN ahahahahaahahahaahhhhaahahhahaaahahhhaahhhaahahhaahahahhhahahahaaahaahahahahahaa
99.9999999999999999999999999999999999999999999999999999999.....%
the chance of being born is more than we can comprehend.