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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. In an earlier study, the population proportion was estimated to be 0.28. How large a sample would be required in order to estimate the fraction of new car buyers who prefer foreign cars at the 90% confidence level with an error of at most 0.03? Round your answer up to the next integer.

An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. In an earlier study, the population proportion was estimated to be 0.28. How large a sample would be required in order to estimate the fraction of new car buyers who prefer foreign cars at the 90% confidence level with an error of at most 0.03? Round your answer up to the next integer.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. In an earlier study, the population proportion was estimated to be 0.28. How large a sample would be required in order to estimate the fraction of new car buyers who prefer foreign cars at the 90 % confidence level with an error of at most 0.03? Round your answer up to the next integer.
Transcribed Image Text:An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. In an earlier study, the population proportion was estimated to be 0.28. How large a sample would be required in order to estimate the fraction of new car buyers who prefer foreign cars at the 90 % confidence level with an error of at most 0.03? Round your answer up to the next integer.
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