This really depends on the program. Some programs will admittedly say that while they teach the fundamentals, they do not go deep into the mathematics, where some will place an extra emphasis on this. Do your research and see what group the program you were accepted into fits in. If you look hard enough, a lot of public information exists. Some might be a little dated but I believe you will get some signal if you search enough. This is all relative to how much math you do not like. If you do not even like multivariate calculus, probability, and linear algebra, you'll most likely have a tough time. If its more advanced mathematics you do not like, well, not every program is going to go in depth on this part and you can sort through which ones fit in either category.