I feel nervous that my graduate school application will be rejected. Should

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I be worried? I have Bachelor of Science in Mathematics since May 2008. Could never find job. I have also done lots of electrical engineering and systems engineering courses. I have done about 80% of B.S.E.E curriculum on top of B.S. in math. Now I am applying for graduate school of Operations Research. I have straight A's in all Operations Research and very high grades in Systems engineering and electrical engineering courses. Unfortunately i have bad grades in courses like english, history, psychology and arts -- most of them being D grades and an F too. My GPA is 2.7 but excluding the arts, history, psychology and english courses I am almost 3.5. The requirement for grad school of OR 3.0 minimum GPA. I still applied for it. I fully meet all the admission requirements of graduate school of OR except for the 3.0 GPA requirement. Since graduate school of OR is only OR courses, I can do very well. If they reject my application i am in financial hardship and unemployment as usual