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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 0.03 with 90% confidence if (a) she uses a previous estimate of 0.36? (b) she does not use any prior estimates? X Table of critical values Click the icon to view the table of critical values. Area in Each Tail, Critical Value, z Level of Confidence, (1a) 100% (a) n = (Round up to the nearest integer.) 90% 0.05 1645 95% 0.025 1.96 99% 0.005 2.575

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 0.03 with 90% confidence if (a) she uses a previous estimate of 0.36? (b) she does not use any prior estimates? X Table of critical values Click the icon to view the table of critical values. Area in Each Tail, Critical Value, z Level of Confidence, (1a) 100% (a) n = (Round up to the nearest integer.) 90% 0.05 1645 95% 0.025 1.96 99% 0.005 2.575

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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Parts a & b
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 0.03 with 90% confidence if (a) she uses a previous estimate of 0.36? (b) she does not use any prior estimates? - X Table of critical values Click the icon to view the table of critical values. a Critical Value, z Level of Confidence, (1a) 100% (a) n = (Round up to the nearest integer.) 90% 1645 95% 1.96 99% 2.575 Help me solve this View an example Type here to search E R % 5 T 6 Get mor OU 49 & 7 U 8 hp a Print Area in Each Tail, 0.05 0.025 0.005 P Done brt sc 94°F delete A eck answer 3 11:55 AM 6/17/2022 num
Transcribed Image Text: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 0.03 with 90% confidence if (a) she uses a previous estimate of 0.36? (b) she does not use any prior estimates? - X Table of critical values Click the icon to view the table of critical values. a Critical Value, z Level of Confidence, (1a) 100% (a) n = (Round up to the nearest integer.) 90% 1645 95% 1.96 99% 2.575 Help me solve this View an example Type here to search E R % 5 T 6 Get mor OU 49 & 7 U 8 hp a Print Area in Each Tail, 0.05 0.025 0.005 P Done brt sc 94°F delete A eck answer 3 11:55 AM 6/17/2022 num
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