Answered: We wish to estimate what percent of…

Name: We wish to estimate what percent of adult residents in a certain count
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Description: We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 111 had kids. Based on this, construct a 90% confidence interval for the proportion p of adult residents who are parents in this

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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We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 111 had kids. Based on this, construct a 90% confidence interval for the proportion p of adult residents who are parents in this county.

Express your answer in tri-inequality form. Give your answers as decimals, to three places.

a. _____ < p <_____ Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places.

b. p = _____ ±_____

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