In a sample of 100 teenagers, 80 reported that they were in favor of an increase in the minimum wage and 20 were against it because they feared a loss of available jobs. Based on this sample, find the .95 confidence interval for the true proportion in the population of teenagers who would favor an increase in the minimum wage.
a. .70 to .90 c. .76 to .84
b. .72 to .88 d. .78 to .82
Question 2
Erikson's theory holds that adolescents create an identity for themselves by actively exploring alternative beliefs, career options, and interpersonal relationships, and then making a choice. This contention appears to be
a. an accurate description of identity formation in certain societies.
b. an accurate description of identity formation in virtually all societies.
c. accurate only for the career option part of identity formation.
d. basically inaccurate.
In 2007, primatologists studying chimpanzees in Senegal reported something amazing; chimpanzees were
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