For Americans using library services, the American Library Association claims that at most 70% of patrons borrow books. The library director in Owensboro, Kentucky feels this is not true, so she asked a local college statistic class to conduct a survey. The class randomly selected 100 patrons and found that 85 borrowed books. Did the class demonstrate that the percentage was higher in Owensboro, KY? Use a = 0.01 level of significance. What is the possible proportion of patrons that do borrow books from the Owensboro Library?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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2. For Americans using library services, the American Library Association claims that
at most 70% of patrons borrow books. The library director in Owensboro, Kentucky
feels this is not true, so she asked a local college statistic class to conduct a survey.
The class randomly selected 100 patrons and found that 85 borrowed books. Did the
class demonstrate that the percentage was higher in Owensboro, KY? Use a = 0.01
level of significance. What is the possible proportion of patrons that do borrow
books from the Owensboro Library?
Transcribed Image Text:2. For Americans using library services, the American Library Association claims that at most 70% of patrons borrow books. The library director in Owensboro, Kentucky feels this is not true, so she asked a local college statistic class to conduct a survey. The class randomly selected 100 patrons and found that 85 borrowed books. Did the class demonstrate that the percentage was higher in Owensboro, KY? Use a = 0.01 level of significance. What is the possible proportion of patrons that do borrow books from the Owensboro Library?
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