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Author Question: A new brand of chocolate bar is being market tested. Four hundred of the new chocolate bars were ... (Read 49 times)

rissygurl1124

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on: Mar 25, 2023

A new brand of chocolate bar is being market tested. Four hundred of the new chocolate bars were given to consumers to try. The consumers were asked whether they liked or disliked the chocolate bar. You are given their responses below.

Response

Frequency

Liked

300

Disliked

100

 

400


a.What is the point estimate for the proportion of people who liked the chocolate bar?
b.Construct a 95% confidence interval for the true proportion of people who liked the chocolate bar.
c.With a .95 probability, how large of a sample needs to be taken to provide a margin of error of 3% or less?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by rissygurl1124 on Mar 25, 2023

Htimsrs

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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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rissygurl1124

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Reply 2 on: Mar 25, 2023
Excellent

amcvicar

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Reply 3 on: Yesterday
Wow, this really help

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