The libraries around the country face a crisis, The patrons now have so many choices To borrow a book in person becoming outdated Budget cuts around many libraries are becoming slated. Only 57% of patrons borrow books anymore, Claims the American Library Association, suddenly! This statistic is wrong to its core Thinks the director of the library in Plainsboro, Kentucky. She hires a stats wizard to conduct a study He did his thing and what did he find! That in Plainsboro many a person and their buddy Borrowed books to expand their mind. Of the 250 people he sampled with diligence, About 185 borrowed actual books with no indifference. Using a 1% level of significance, he made a report To show that the library was not falling short He calculated the possible proportion of patrons, loyally Borrowing books in good ol’ Plainsboro, Kentucky! HINT: Did he demonstrate that the percentage was higher in Plainsboro? Find the 95% and 99% confidence intervals for this sample proportion mean. Choose the fully correct answer out of the following options:   Group of answer choices He demonstrated that at a 99% level of confidence that the percentage of patrons borrowing books was higher in Plainsboro, KY. The 95% confidence interval is (68.56%, 79.44%) and the 99% confidence interval is (66.85%, 81.15%) He demonstrated that at a 1% level of confidence that the percentage of patrons borrowing books was higher in Plainsboro, KY. The 95% confidence interval is (68.56%, 79.44%) and the 99% confidence interval is (66.85%, 81.15%) He demonstrated that at a 99% level of confidence that the percentage of patrons borrowing books was not higher in Plainsboro, KY. The 95% confidence interval is (63.34%, 84.66%) and the 99% confidence interval is (59.99%, 88.01%) He demonstrated that at a 99% level of confidence that the percentage of patrons borrowing books was higher in Plainsboro, KY. The 95% confidence interval is (63.34%, 84.66%) and the 99% confidence interval is (59.99%, 88.01%)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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The libraries around the country face a crisis,

The patrons now have so many choices

To borrow a book in person becoming outdated

Budget cuts around many libraries are becoming slated.

Only 57% of patrons borrow books anymore,

Claims the American Library Association, suddenly!

This statistic is wrong to its core

Thinks the director of the library in Plainsboro, Kentucky.

She hires a stats wizard to conduct a study

He did his thing and what did he find!

That in Plainsboro many a person and their buddy

Borrowed books to expand their mind.

Of the 250 people he sampled with diligence,

About 185 borrowed actual books with no indifference.

Using a 1% level of significance, he made a report

To show that the library was not falling short

He calculated the possible proportion of patrons, loyally

Borrowing books in good ol’ Plainsboro, Kentucky!

HINT: Did he demonstrate that the percentage was higher in Plainsboro? Find the 95% and 99% confidence intervals for this sample proportion mean.

Choose the fully correct answer out of the following options:

 

Group of answer choices
He demonstrated that at a 99% level of confidence that the percentage of patrons borrowing books was higher in Plainsboro, KY. The 95% confidence interval is (68.56%, 79.44%) and the 99% confidence interval is (66.85%, 81.15%)
He demonstrated that at a 1% level of confidence that the percentage of patrons borrowing books was higher in Plainsboro, KY. The 95% confidence interval is (68.56%, 79.44%) and the 99% confidence interval is (66.85%, 81.15%)
He demonstrated that at a 99% level of confidence that the percentage of patrons borrowing books was not higher in Plainsboro, KY. The 95% confidence interval is (63.34%, 84.66%) and the 99% confidence interval is (59.99%, 88.01%)
He demonstrated that at a 99% level of confidence that the percentage of patrons borrowing books was higher in Plainsboro, KY. The 95% confidence interval is (63.34%, 84.66%) and the 99% confidence interval is (59.99%, 88.01%)
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