BYU's acceptance rate is 69%... she has a good shot.
In 2019, BYU has a 69% new student acceptance rate and 56% transfer acceptance rate. She'll have over a 50% chance of getting accepted. That much better than a lot of other universities.
BYU uses a holistic review process. This means that all parts of the application are considered. A certain GPA or ACT score does not guarantee admission.