What are my chances of getting into UCR?

<p>I accepted my offer to csulb already since I got waitlisted to UCR, but I really wanna go to UCR. Who here has gotten into UCR off a waitlist and what were your high school grades, etc? What are my chances of getting in?
3.2 gpa
1500 sat
Volleyball 4 years, 2 on varsity
Club volleyball
Music 4 years( marching Band, jazz, concert band)</p>