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lcard044 lcard044
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3 weeks ago

The results of a recent poll on the preference of voters regarding presidential candidates are shown below.

Candidate

Voters
Surveyed

Voters Favoring
This Candidate

A

400

192

B

450

225


At 95% confidence, test to determine whether or not there is a significant difference between the preferences for the two candidates.

Textbook 

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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carolyne254carolyne254
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3 weeks ago
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More solutions for this book are available here


H0: PA - PB = 0 
Ha: PA - PB 0Z = -0.58; p-value = 0.562; do not reject H0


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