A researcher is wondering whether the smoking habits of young adults (18-25 year

Question

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 different from 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. State the hypotheses to be tested for this study.

Select one:

a. H0: p = 0.16; Ha: p < 0.16

b. H0: p = 0.16; Ha: p = 0.16

c. H0: p = 0.16; Ha: p > 0.16

d. H0: p = 0.16; Ha: p < 0.16

Explanation / Answer

Null hypothesis:

H0: p = 0.16

Alternative hypothesis:

Ha: p > 0.16

It is right tailed test.

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