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A poll was conducted that asked 51 people how many books they had read in the past year. Results indicated that x = 11.9 books.

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A poll was conducted that asked 51 people how many books they had read in the past year. Results indicated that x = 11.9 books. Assume that o = 16.6 books. Construct a 90% confidence interval for the mean number of books people read. Round to one decimal

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