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A researcher wants to know if the proportion of people who smoke in Detroit is different than the proportion of smokers in the U.S. To
A researcher wants to know if the proportion of people who smoke in Detroit is different than the proportion of smokers in the U.S. To test this he wants to run a hypothesis test at a=0.05.A recent study found that the proportion of people in the United States who reported smoking at least twice a week was 0.16.The researcher sampled 75 adults from Detroit and found that 10 reported smoking at least twice a week.
- Report the test statistic to two decimal places
- Report the p-value to four decimal places
- Give the test decision:(reject or do not reject) H0
- Evidence _______________(favors or does not favor) that the proportion of young adults smokers differs from that of the general population
- Determine the alternative hypothesis.
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