Major-wise, I don't know, but I've had online (gag!) remedial math classes where *no one* passed. Surprise, students who are bad at "school" aren't ready to handle self-directed study.
On-ground/in-person remedial classes have had a 30% or so DFW rate for me. Those who pass, however, nearly always pass the transfer-level courses they've continued into, so I'm doing something right.
For my more advanced classes, it's not uncommon for me to have a 100% pass rate. I've weeded out the ones who can't handle it in earlier classes. This past semester I finished a 2-year engineering math sequence and frankly, the class was harder than any I'd taught before. At first they were upset about that, then the realization that I only did it because I knew they could handle it sunk in.