In a previous poll, 33% 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, 339 of 1097 adults 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 the alpha equals 0.05 significance level.
Because np 0 left parenthesis 1 minus p 0 right parenthesisequals
10 and the sample size is
5% of the population size, and the sample
cannot be reasonably assumed to be random,
is given to not be random,
is given to be random,
can be reasonably assumed to be random,
the requirements for testing the hypothesis
(Round to one decimal place as needed.)
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