During the referandum of 1986, candidate B12 showed the following pre-election voter support in Colorado and Alaska.   Voters Surveyed Voters who Favored Candidate B12       Colarado 550 290       Alaska 750 360 ​   a). Develop a 95% confidence interval estimate for the difference between the proportion of voters who favored candidate B12 in the two polling states.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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During the referandum of 1986, candidate B12 showed the following pre-election voter support in Colorado and Alaska.

 

Voters Surveyed

Voters who Favored
Candidate B12

 

 

 

Colarado

550

290

 

 

 

Alaska

750

360

 

a). Develop a 95% confidence interval estimate for the difference between the proportion of voters who favored candidate B12 in the two polling states.

 

 

 

 

 

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