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U & mathxl.com .. . Math 21 Statistics Online Summer Session 3 2020 Cecilia Sandoval & | 07/27/20 11:52 PM Homework: Section 10.2 Save Score: 0 of 1 pt 6 of 9 (0 complete) HW Score: 0%, 0 of 9 pts 10.2.20-T Question Help In a previous poll, 28% 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, 317 of 1197 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 a = 0.05 significance level. Because npo (1 - Po ) = 10 and the sample size is 5% of the population size, and the sample the requirements for testing the hypothesis satisfied. (Round to one decimal place as needed.) Enter your answer in the answer box and then click Check Answer. + parts remaining Clear All Check