Final answer:
The symbol for Omega Psi Phi Fraternity, Inc. is the Greek letter 'Omega', which represents the end or the last, and it is profoundly tied to the fraternity's values and identity.
Step-by-step explanation:
The symbol for the Omega Psi Phi Fraternity, Inc. is option 3) Omega. Omega Psi Phi is a historically African American fraternity that was founded at Howard University in 1911. The name of the fraternity incorporates Greek letters – Omega (Ω or ω), which is also a part of their fraternity emblem symbolizing the end or the last and is often associated with greatness or ultimate. As a significant element of the fraternity's identity, the omega symbol embodies various aspects of their creed and values. Notable members of the fraternity include civil rights activist Jesse Owens and esteemed musician Duke Ellington.