some Major concerns

I'm a college freshman attending University of Florida, I'm majoring in Economics and want to get a minor in Actuarial Science.
My question is, how difficult will it be for me to minor in this if my major is already non science related? Is it at all possible to complete the pre-reqs in time?
What are my odds of doing well on the MCAT with this configuration?
My reason for this is that Economics is something I've always been interested in, and if I do not get accepted into medical school or...

some Major concerns

some Major concerns