In a recent survey of US adults, 35 people were asked the question: “Do you own a smart phone?”. Of those surveyed, 29 responded that they own a smart phone. Use the “plus-four” method to find a 90% confidence interval for the true proportion of US adults who own a smart phone. Use the z-score table below: z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576
In a recent survey of US adults, 35 people were asked the question: “Do you own a smart phone?”. Of those surveyed, 29 responded that they own a smart phone. Use the “plus-four” method to find a 90% confidence interval for the true proportion of US adults who own a smart phone. Use the z-score table below: z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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In a recent survey of US adults, 35 people were asked the question: “Do you own a smart phone?”. Of those surveyed, 29 responded that they own a smart phone.
Use the “plus-four” method to find a 90% confidence interval for the true proportion of US adults who own a smart phone. Use the z-score table below:
z0.10 | z0.05 | z0.025 | z0.01 | z0.005 |
1.282 | 1.645 | 1.960 | 2.326 | 2.576 |
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