You work at a t-shirt printing business. of the 3400 t-shirt’s shipped, 103 have a defect. what is the experimental probability that a t-shirt has a defect

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)