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    Confidence Level: The Number of Books

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    Question: People were polled on how many books they read the previous year. How many subject are needed to estimate the number of books read the previous year within one book with 99% confidence? Initial survey results indicate that o=11.7 books.

    A 99% confidence level requires (_______) subjects.

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    https://brainmass.com/statistics/confidence-interval/confidence-level-number-books-264164

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

    Solution Summary

    The solution uses confidence levels to determine the number of books people read the previous year.

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