Its impossible to say without an MCAT, but 34.8% of applicants with GPAs of 3.4-3.59 got accepted to at least one medical school they applied to (national average is 42.3%). (https://www.aamc.org/download/321508/data/factstablea23.pdf)
If you want it broken down by race, you can look here: https://www.aamc.org/data/facts/applicantmatriculant/157998/factstablea24.html