Millionaires are Baby Boomers (or Older) For most Americans, incomes tend to rise with age and experience. Thus, it is not surprising that in 2009, 80 percent of millionaires were older than age 45 and close to half of all millionaires (46 percent) were older than age 55.
A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it.
According to the definitions by various dictionaries, hypothesis could be described as a scientific explanation that has been suggested to explain a certain phenomenon. Hypothesis gives the explanation as a proposal, and the scientific method tests its validity using a procedure.