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abarnes

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A survey of entrepreneurs focused on their job characteristics, work habits, social activities, leisure time, etc.  One question put to each entrepreneur was, "What make of car (U.S., Europe, or Japan) do you drive?"  The responses (number in each category) for a sample of 100 entrepreneurs are summarized below.  The goal of the analysis is to determine if the proportions of entrepreneurs who drive American, European, and Japanese cars differ.

U.S.EuropeJapan


In order to determine whether the true proportions in each response category differ, a one-way chi-square analysis should be conducted. As part of that analysis, a 95% confidence interval for the multinomial probability associated with the "Europe" response was desired. Which of the following confidence intervals should be used?
◦ (0.265, 0.440)
◦ (0.257, 0.443)
◦ (0.271, 0.428)
◦ (0.227, 0.473)


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Marked as best answer by abarnes on Feb 14, 2020

scikid

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abarnes

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Reply 2 on: Feb 14, 2020
Excellent


coreycathey

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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