A poll conducted in 1972 asked 1003 people, " During the past year, about how many books did you read either all or part of the way through?" Results of the survey indicated that x-bar=18.9 books and s=1

9.9 books.

A)Construct a 95% confidence interval for the mean number of books read either all or part of during the preceding year. Interpret the interval.

____,_____

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