A humane society claims that less than 32% of U.S.
A humane society claims that less than 32% of U.S. households own a dog. In a random sample of
396 U.S. households, 151 say they own a dog. At alpha = 0.01,
is there enough evidence to support the society’s claim?
(a) Find the critical value(s) and identify the rejection region(s).
The critical value(s) is/are negative_____
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
(b) Find the standardized test statistic.
(c) Decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim.
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