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Standard deviation for number of books

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Reference no: EM132483774

A poll is to be conducted to find out how many books, on average, Canadians read. You are the person who is to select a random sample and to ask the people of the sample about the number of books they read in the previous year. How many people are needed for your sample to estimate the number of books within 3 books with 90% confidence? Assume that it is known that the standard deviation for number of books read by Canadians is 14.1 books.

Reference no: EM132483774

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