Need Help Understanding Odds of Top 10

I have a 700 GMAT score. A 3.8 GPA from an average public university. Problem is my quant score is weak (60th percentile - 41) and I don't have a lot of quant classes in my background. Also I don't have much in the way of extracurriculars. I'm 28, a good 3 or 4 years of experience in the field of Ma...