Table of critical valuesLevel of Confidence,(1-a). 100%90%95%99%Area in Each Tail,Print0.050.0250.005DoneCritical Value, z1.6451.962.575X A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.05 with95% confidence if(a) she uses a previous estimate of 0.54?(b) she does not use any prior estimates?Click the icon to view the table of critical values.(a) n =(Round up to the nearest integer.)

Given Level of significance ɑ=0.05, margin of error=e=0.05 (a) p=0.54

Answered: estimate the proportion 95% confidence…

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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estimate the proportion 95% confidence if (a) she uses a previous estimate of 0.54? (b) she does not use any prior estimates? Click the icon to view the table of critical values. (a) n = (Round up to the nearest integer.) Tiple She wishes the estimate to be