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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 0.02 with 99% confidence if (a) she uses a previous estimate of 0.38? (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.) (b) n= (Round up to the nearest integer.)

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 0.02 with 99% confidence if (a) she uses a previous estimate of 0.38? (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.) (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 adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.02 with 99% confidence if (a) she uses a previous estimate of 0.38? (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.) =(Round up to the nearest integer.) Time Remaining: 02:24 四000A DEC étv 16 230 MacBook Air DII F1L F10 F9 F8 80 F7 F6 F5 F4 esc F2 F3 F1 & %23 2$ C@ 7 8. 5 2 3 云
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 0.02 with 99% confidence if (a) she uses a previous estimate of 0.38? (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.) =(Round up to the nearest integer.) Time Remaining: 02:24 四000A DEC étv 16 230 MacBook Air DII F1L F10 F9 F8 80 F7 F6 F5 F4 esc F2 F3 F1 & %23 2$ C@ 7 8. 5 2 3 云
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