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tics People were polled on how many books they read the previous year. Initial survey results indicate that s = 19.9 books. Complete parts (a)

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tics People were polled on how many books they read the previous year. Initial survey results indicate that s = 19.9 books. Complete parts (a) through (d) below. Click the icon to view a partial table of critical values. ETE EGE (a) How many subjects are needed to estimate the mean number of books read the previous year within four books with 95% confidence? This 95% confidence level requires subjects. (Round up to the nearest subject.)

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