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Author Question: The results of a recent poll on the preference of voters regarding the presidential candidates are ... (Read 65 times)

Lin Shi

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on: Mar 25, 2023

Question 1

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.



Question 2

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

 

Voters Surveyed

Voters Favoring
This Candidate

Candidate A

200

150

Candidate B

300

195


a.Develop a 90% confidence interval estimate for the difference between the proportion of voters favoring each candidate.
b.Does your confidence interval provide conclusive evidence that one of the candidates is favored more? Explain.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Lin Shi on Mar 25, 2023

khammond77

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Lin Shi

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Reply 2 on: Mar 25, 2023
:D TYSM

Mochi

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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