Question part points submissions used in a national survey

Reference no: EM13625154

Question Part Points Submissions Used In a national survey of 2039 adults, 1550 responded that lack of respect and courtesy in American society is a serious problem, and 1283 indicated that they believe that rudeness is a more serious problem than in past years. Is there convincing evidence that more than three-quarters of U.S. adults believe that rudeness is a worsening problem? Test the relevant hypotheses using a significance level of 0.05. (For z give the answer to two decimal places. For P give the answer to four decimal places.)

z =

P =

Reference no: EM13625154

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