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People were polled on how many books they read the previous year. Initial survey results indicate that s = 12.3 books. Complete parts (a) through (d) below. Click the icon to view a partial table of critical values. (a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 90% confidence? This 90% confidence level requires 103 subjects. (Round up to the nearest subject.)

People were polled on how many books they read the previous year. Initial survey results indicate that s = 12.3 books. Complete parts (a) through (d) below. Click the icon to view a partial table of critical values. (a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 90% confidence? This 90% confidence level requires 103 subjects. (Round up to the nearest subject.)

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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People were polled on how many books they read the previous year. Initial survey results indicate that s = 12.3 books. Complete parts (a) through (d) below. Click the icon to view a partial table of critical values. (a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 90% confidence? This 90% confidence level requires 103 subjects. (Round up to the nearest subject.)
Transcribed Image Text:People were polled on how many books they read the previous year. Initial survey results indicate that s = 12.3 books. Complete parts (a) through (d) below. Click the icon to view a partial table of critical values. (a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 90% confidence? This 90% confidence level requires 103 subjects. (Round up to the nearest subject.)
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