In 1942 ​, an organization surveyed 1100   adults and​ asked, "Are you a total abstainer​ from, or do you on occasion​ consume, alcoholic​ beverages?" Of the 1100   adults​ surveyed, 352   indicated that they were total abstainers. In a recent​ survey, the same question was asked of 1100   adults and 308   indicated that they were total abstainers. Complete parts​ (a) and​ (b) below. ​(a) Determine the sample proportion for each sample.   The proportions of the adults who took the 1942   survey and the recent   survey who were total abstainers are   and   ​, respectively. ​(Round to three decimal places as​ needed.)

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.4: Two-ways Tables
Problem 5E
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In

1942
​,

an organization surveyed

1100
 

adults and​ asked, "Are you a total abstainer​ from, or do you on occasion​ consume, alcoholic​ beverages?" Of the

1100
 

adults​ surveyed,

352
 

indicated that they were total abstainers. In a recent​ survey, the same question was asked of

1100
 

adults and

308
 
indicated that they were total abstainers. Complete parts​ (a) and​ (b) below.
​(a) Determine the sample proportion for each sample.
 
The proportions of the adults who took the
1942
 

survey and the

recent
 

survey who were total abstainers are

 

and

 
​,
respectively.
​(Round to three decimal places as​ needed.)
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