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  3. in 1950?, an organization surveyed 1100 adults and

In 1950?, an organization surveyed 1100 adults and? asked, "Are you a total abstainer? from, or...

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Basic Math

In 1950?, an organization surveyed 1100 adults and? asked, "Areyou a total abstainer? from, or do you on occasion? consume,alcoholic? beverages?" Of the 1100 adults? surveyed, 363 indicatedthat they were total abstainers. In a recent? survey, the samequestion was asked of 1100 adults and 319 indicated that they weretotal abstainers. Has the proportion of adults who totally abstainfrom alcohol? changed? Use the ? = 0.01 level of significance.Normality criteria have been satisfied.

Write the Null and Alternative Hypothesis:

Give the Test statistic and P value:

State the conclusion in context:

Answer & Explanation Solved by verified expert
4.1 Ratings (607 Votes)
p1 Population proportion of adults who totallyabstain from alcohol when surveyed in 1950p2 Population proportion of adults who totallyabstain from alcohol in recent surveyNull hypothesis Ho p1 p2Alternate hypothesis Ha    See Answer
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