Usethe sample data and confidence level given below to complete parts (a) through (d).In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2516 subjects randomly selected from an online group involved withears. 1001 surveys were returned. Construct a 95% confidence interval for the proportion of returned surveys.Click the icon to view a table of z scores.a) Find the best point estimate of the population proportion p.(Round to three decimal places as needed.)b) Identify the value of the margin of error E.E=(Round to three decimal places as needed.)c) Construct the confidence interval.C 20.00.10.20.30.40.50.60.70.80.91.01.2131.41.51.61.71.81.92.02.12.22.42.52.62.72.8293.03.13.23.33.43.50 and up2005000539857936179655468153257758078818159841388499002915293329452965496419713977296619063961896389963099859674996790009066996079000Cumulative Area from the LEFT.015040583262177291761179108186866690493207934594639649971997789826386499209940.9955.99759987999399970001NOTE: For of above 3.49, use 0.9999 for the re.025080547858716255662869857324764279398212346186868888906692229357547495739656972697835630186896229941966699679676POSITIVE z Scores999490065120561759108664701976737967848587089082937094349602973297889834987199019943995799779988999499970304516055575945633147007054.7389770479958508872980259099325183825495 .959196719738979398383875990499459959990999773984998805519956966736708814227734253187498944911592659094950595.999678974497989842900299946996099709978998999949997050652395325877271:23.74547764805183153554877029623279940695159601.968697509803984638819909993199489961997199799985998939229994999707527956758064644368087157348677948078834085778790806091479418975698089884991199329949997299799989999690000708531957146103648063447190751778233106830535998810200791623306942995359625309976198129854991:3993499519963997399803996999099939995999708535957536141661768797224354978528133838986218830901591775019944196459433970697679617969099169606996499749961900699609998Common Critical Values20.00.1020.3040.5060.70.80.91.01.21.41.51.61.71.81.9202.1222.3242526272.83.03.13.2333.43.50 and up2

Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval.

Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval.

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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