A poll surveyed people in six countries to assess attitudes toward a variety of alternate forms of energy. Suppose the data in the following table are a portion of the poll's findings concerning whether people favor or oppose the building of new nuclear power plants.
Response |
Country |
---|
Great Britain |
France |
Italy |
Spain |
Germany |
United States |
---|
Strongly favor |
133 |
161 |
128 |
141 |
298 |
204 |
---|
Favor more than oppose |
222 |
367 |
272 |
348 |
309 |
326 |
---|
Oppose more than favor |
311 |
334 |
322 |
381 |
219 |
316 |
---|
Strongly oppose |
443 |
215 |
389 |
217 |
221 |
174 |
---|
(a) How large was the sample in this poll? =____
(b) Conduct a hypothesis test to determine whether people's attitude toward building new nuclear power plants is independent of country.
State the null and alternative hypotheses.
H
0: The attitude toward building new nuclear power plants is not mutually exclusive of the country.
H
a: The attitude toward building new nuclear power plants is mutually exclusive of the country.
H
0: The attitude toward building new nuclear power plants is mutually exclusive of the country.
H
a: The attitude toward building new nuclear power plants is not mutually exclusive of the country.
H
0: The attitude toward building new nuclear power plants is independent of the country.
H
a: The attitude toward building new nuclear power plants is not independent of the country.
H
0: The attitude toward building new nuclear power plants is not independent of the country.
H
a: The attitude toward building new nuclear power plants is independent of the country.
Find the value of the test statistic. (Round your answer to two decimal places.) =____
Find thep-value. (Round your answer to four decimal places.)
p-value = ____
State your conclusion.
(A) Do not rejectH
0. We cannot conclude that the attitude toward building new nuclear power plants is independent of the country.
(B) Do not rejectH
0. We conclude that the attitude toward building new nuclear power plants is not independent of the country.
(C) RejectH
0. We cannot conclude that the attitude toward building new nuclear power plants is independent of the country.
(D) RejectH
0. We conclude that the attitude toward building new nuclear power plants is not independent of the country.
(c) Using the percentage of respondents who "strongly favor" and "favor more than oppose," which country has the most favorable attitude toward building new nuclear power plants?
(A) Great Britain
(B) France
(C) Italy
(D) Spain
(E) Germany
(F) United States
Which country has the least favorable attitude?
(A) Great Britain
(B) France
(C) Italy
(D) Spain
(E) Germany
(F) United States