We wish to estimate what percent of adult residents in a certain county are parents. Out of 100 adultresidents sampled, 24 had kids. Based on this, construct a 95% confidence interval for the proportion p ofadult residents who are parents in this county.Express your answer in tri-inequality form. Give your answers as decimals, to three places.Express the same answer using the point estimate and margin of error. Give your answers as decimals, tothree places.

Solution a) 0.156<p<0.324 b) p=0.240±0.084

Answered: We wish to estimate what percent of…

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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Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=972 and x = 577 who said "yes." Use a 99% confidence level. Click the icon to view a table of z scores. 0.594 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E = 0.041 (Round to three decimal places as needed.) c) Construct the confidence interval.

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