Use the Following Information to Answer Questions (10)- (12)

Multiple Choice

Use the following information to answer questions (10) - (12) . A researcher is wondering whether the smoking habits of young adults (18-25 years of age) in a certain city in the U.S. are the same as the proportion of the general population of young adults in the U.S. A recent study stated that the proportion of young adults who reported smoking at least twice a week or more in the last month was 0.16. The researcher collected data from a random
sample of 75 adults in the city of interest.
-Check that the conditions hold so that the sampling distribution of the z-statistic will approximately follow the standard normal distribution. Are the conditions satisfied? If not, choose the condition that is not satisfied.

A) Yes, all the conditions are satisfied.
B) No, the researcher did not collect a random sample.
C) No, the researcher did not collect a large enough sample.
D) No, the population of interest is not large enough to assume independence.