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(a) n= 1796 (Round up to the nearest integer) (b)n= Round up to the nearest integer)

(a) n= 1796 (Round up to the nearest integer) (b)n= Round up to the nearest integer)

MATLAB: An Introduction with Applications
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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A researcher wishes to estimate the proportion of aduts who have high-speed Internmet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 9% confidence if (a) she uses a previous estimate of 0 427 (b) she does not use any prior estimates? Click the icon to view the table of crtcal values (a) n= 1795 (Rouna up to the nearest integer) (b)n=Round up to the nearest integec) Table of critical values Level of Confidence, Area in Each Tail, Critical Value, z4 (1 – a) 100% 90% 0.05 1.645 95% 0.025 1.96 99% 0.005 2.575
Transcribed Image Text:A researcher wishes to estimate the proportion of aduts who have high-speed Internmet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 9% confidence if (a) she uses a previous estimate of 0 427 (b) she does not use any prior estimates? Click the icon to view the table of crtcal values (a) n= 1795 (Rouna up to the nearest integer) (b)n=Round up to the nearest integec) Table of critical values Level of Confidence, Area in Each Tail, Critical Value, z4 (1 – a) 100% 90% 0.05 1.645 95% 0.025 1.96 99% 0.005 2.575
Aresearcher wishes to estimate the proportion of aduts who have high-speed Intemet access. What size sample should be obtained if she wishes the estimate to be within 0.00 with 90% confidence if (a) she uses a previous estimate of 0427 (b) she does not use any prior estimates? Click the icon to view the table of crecal vaues. CID (a) n= 1796 (Round up to the nearest integer) (b) n=Round up to the nearest integer)
Transcribed Image Text:Aresearcher wishes to estimate the proportion of aduts who have high-speed Intemet access. What size sample should be obtained if she wishes the estimate to be within 0.00 with 90% confidence if (a) she uses a previous estimate of 0427 (b) she does not use any prior estimates? Click the icon to view the table of crecal vaues. CID (a) n= 1796 (Round up to the nearest integer) (b) n=Round up to the nearest integer)
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