Using p′=0.167, q′=0.833, and n=180, what is the 95% confidence interval for the proportion of the population who prefer brand named items? z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576 Use the table of common z-scores above. Round your answers to three decimal places. Provide your answer below:   The 95% confidence interval is (___ , ___).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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Using p′=0.167, q′=0.833, and n=180, what is the 95% confidence interval for the proportion of the population who prefer brand named items?

z0.10 z0.05 z0.025 z0.01 z0.005
1.282 1.645 1.960 2.326 2.576

Use the table of common z-scores above. Round your answers to three decimal places.

Provide your answer below:

 
The 95% confidence interval is (___ , ___).
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