4. Each increase of 1 percent in real disposable personal income per capita will increase the share of the electorate for an incumbent by about 2.2 percentage points, other things being equal. Since 1952 there has been a decline in real disposable income during only one presidential election year. The incumbent lost that election.
Which of the following conclusions can be properly drawn from the statements above?
(A) When an incumbent runs for office, he or she is likely to win.
(B) Political parties should take care to put forth a candidate who seems prosperous.
(C) Presidential candidates should put their greatest efforts into improving their public image.
(D) Because a presidential campaign requires the expenditure of large amounts of money, it frequently impoverishes a candidate and his or her supporters.
(E) The outcome of a presidential election is substantially affected by factors other than the ideological positions of the candidates.
5. According to an independent computer-industry analyst, the new Regent microcomputer is of high quality, is fast, and costs less than any currently existing competing model. It is reasonable to conclude, therefore, as the manufacturer’s prospectus does, that the Regent will quickly establish itself as a fast-selling, low-priced alternative to currently available microcomputers.
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