To some of you reading this who haven't been to graduate school, this mistake is not as large as you might think. A lot of graduate schools have the policy of o

To some of you reading this who haven't been to graduate school, this mistake is not as large as you might think. A lot of graduate schools have the policy of overadmitting and then pruning out during the oral exam (which usually 1-2 years into the program). I do not know if CMU is one of those schools (I attended one which did not have this policy; also, this policy can vary by department within the same school).