In the 2012 General Social Survey, people were asked their opinions on astrology—whether it was very scientific, somewhat scientific, or not at all scientific. Of 1974 who responded, 101 said astrology was very scientific.
a. Find the proportion of people in the survey who believe astrology is very scientific.
b. Find a 95% confidence interval for the population proportion with this belief.
c. Suppose a TV news anchor said that 5% of people in the general population think astrology is very scientific. Would you say that is plausible? Explain your answer.

  • CreatedJuly 16, 2015
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