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A random sample of 50 households was selected for a telephone survey. The key question asked was, “Do you or any member of your household own a cellular telephone with a built-in camera?  Of the 50 respondents, 35 said “yes“ and 15 said “no. “  Give a 90% confidence interval estimate for the population proportion of households in which a member owns a cellular telephone with a built-in camera. Interpret this confidence interval.

A random sample of 50 households was selected for a telephone survey. The key question asked was, “Do you or any member of your household own a cellular telephone with a built-in camera?  Of the 50 respondents, 35 said “yes“ and 15 said “no. “  Give a 90% confidence interval estimate for the population proportion of households in which a member owns a cellular telephone with a built-in camera. Interpret this confidence interval.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A random sample of 50 households was selected for a telephone survey. The key question asked was, “Do you or any member of your household own a cellular telephone with a built-in camera?  Of the 50 respondents, 35 said “yes“ and 15 said “no. “ 

Give a 90% confidence interval estimate for the population proportion of households in which a member owns a cellular telephone with a built-in camera.

Interpret this confidence interval.

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