In a previous poll,42%of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll,of1060 adults with children under the age of 18 reported that their family ate dinner together seven nights a week.dinner together seven nights a week. Suppose that, in a more recent poll,423of1060adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased? Use theα=0.01significance level.
(a) What are the null and alternative hypotheses?
(b) H0 versus H1
(c) Find the test statistic, z0.
(d) Find the P-value.
Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased?
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