One of the main reasons why social class may not be completely reliable in predicting the preferences and tastes of americans is that:

One of the main reasons why social class may not be completely reliable in predicting the preferences and tastes of Americans is that "huge range of income call themselves middle class".

A social class is a gathering of individuals of comparable status, usually sharing equivalent levels of influence and riches. In human science, social classes portray one type of social stratification. At the point when a general public is sorted out by social classes, rather than by standings, it is hypothetically workable for individuals to achieve a higher status than the status with which they began. This development is conceivable in light of the fact that social classes are not founded on birth but rather on components, for example, instruction and expert achievement.

i truly dont know the answer wait i do its 1,3,4