Question: Please help solve and provide the correct answer and show your work to help me understand other problems. Thank you! People were polled on how
Please help solve and provide the correct answer and show your work to help me understand other problems. Thank you!

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% condence? Initial survey results indicate that 0' = 19.6 books. A90% condence level requires D subjects. (Round up to the nearest whole number as needed.)
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