As the other commenters have mentioned your chances are 100% best predicted by your school’s counselors.
As for Dyson, you can break into high finance from any major or school at Cornell. There’s a lot more nuance to it than just assuming “Dyson or bust, you won’t place into anything otherwise.”
At a place like Penn, Wharton undergrads are definitely seen as more valuable than the other undergrads. The same does not hold true for Cornell.