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A polling agency reports that over 60% of U.S. adults think that the federal government’s bank bailouts were bad for the United States. In a random sample of 298 U.S. adults, 167 said that the federal government’s bank bailouts were bad for the United States. At α = 0.01, is there enough evidence to support the agency’s claim?
(a) Identify the claim and state H0 and Ha,
(b) Find the critical value(s) and identify the rejection region(s),
(c) Find the standardized test statistic z,
(d) Decide whether to reject or fail to reject the null hypothesis,
(e) Interpret the decision in the context of the original claim. If convenient, use technology. |
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