People were polled on how many books they read the previous year How many subjects are needed to estimate the number of books read the previous year within one book with 90 confidence Initial survey results indicate that sigma equals 11 1 books A 90 confidence level requires nothing subjects (Roundup to the nearest whole number asneeded )

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People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the

People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with

confidence?Initial survey results indicate that

sigma

equals11.1

books.

90 %

confidence level requires

nothing

subjects.

(Roundup to the nearest whole number asneeded.)

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