certain county are parents. Out of 500 adult residents sampled, 115 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.

certain county are parents. Out of 500 adult residents sampled, 115 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.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

We wish to estimate what percent of adult residents in a
certain county are parents. Out of 500 adult residents
sampled, 115 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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