People were polled on how many books they read the previous year. Initial survey results indicate that s = 11.7 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 subjects. (Round up to the nearest subject.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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People were polled on how many books they read the previous year. Initial survey results indicate that s = 11.7 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 subjects. (Round up to the nearest subject.)
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Transcribed Image Text:People were polled on how many books they read the previous year. Initial survey results indicate that s = 11.7 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 subjects. (Round up to the nearest subject.) Clear all Tutoring Help me solve this Get more help - MacBook Pro G Search or type URL esc @ 23 $ 1 4 < CO
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