MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 70 had kids. Based on this, construct a 95% 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.
< p < Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places.
p = ±±
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