Johnson is hired by a company to see if a new product, Topocal, will cause hair to grow on the heads of bald men. He recruits one thousand bald men and randomly divides them into two groups: Five hundred men (group A) rub Topocal on their scalps each day; the other five hundred (group B) rub a standard skin lotion on their scalps each day. After two months, Johnson checks to see what the results have been. He finds that there has been hair growth in 7 percent of group A and in 2 percent of group B.Given the size of Johnson's two groups, would you say that the results of the test are statistically significant?
A. no way to tell
B. yes
C. no
Answer: B
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Rawls' first principle of justice states: a. Offices and positions should be open to all. b. All of these choices c. Differences in economic status should benefit the least-advantagedmembers of society
d. Each person should have basic liberties.
The Epicurean social philosophy taught that
a. we have a duty to work for the moral improvement of the state. b. the civil laws are derived from the divine law. c. political power should be given only to those in the aristocratic class. d. we should withdraw from the burdens of political involvements.
The philosopher who awoke Immanuel Kant from his "dogmatic slumber" was
a. Hume. b. Descartes. c. Leibniz. d. Locke
Which of the following is not a condition for a symbolic expression to be a well-formed formula (WFF)?
A. If p is a WFF, then so is ~(p). B. If p and q are WFFs, then so is (p • q). C. If p and q are WFFs, then so is (p ? q). D. If p and q are WFFs, then so is (p ? q).