Media roles models are a reflection of the potential we can reach and and at the same time we view feasibility at a very individual level,given our circumstances.
i think its both ways. sometimes we assume them according to our feasibility and sometimes media affect our perceptions. moreover, there is a possibility that our role may be an outcome of combination of both
Media presents what the viewers want to watch. The roles often resemble traditional stereotypes or real characters that exist in the society. Once on air, such roles get reinforced and the masses justify their traditional roles with reference to media programs. Media does not show genders in reverse roles because the audience won't like it. The audience, on the other, watch roles of genders in other cultures and might change their roles which they think suit them in their own society.