A survey of 40 students at a local college asks, "Where do you buy the majority of your books?" The responses fell into three categories: "at the campus bookstore," "on the Internet," and "other." The results follow. Where Most Books BoughtbookstorebookstoreInternetotherInternetotherbookstoreotherbookstorebookstorebookstorebookstorebookstoreotherbookstorebookstorebookstoreInternetInternetotherotherotherotherotherotherotherInternetbookstoreotherotherInternetotherbookstorebookstoreotherbookstoreInternetInternetotherbookstore Use Excel to estimate the proportion of the college students who buy their books on the Internet.Build a 95% confidence interval for the proportion of students who buy their books on the Internet.Interpret your result.Can we conclude that the proportion of students buy their books on the internet differs from one-third? Conduct a test at the 90% confidence level.Interpret your result.

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Description: A survey of 40 students at a local college asks, "Where do you buy the majority of your books?" The responses fell into three categories: "at the campus bookstore," "on the Internet," and "other." The results follow. Where Most Books Boughtbookstoreb

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MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

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A survey of 40 students at a local college asks, "Where do you buy the majority of your books?" The responses fell into three categories: "at the campus bookstore," "on the Internet," and "other." The results follow.

Where Most Books Bought
bookstore	bookstore	Internet	other	Internet	other	bookstore
other	bookstore	bookstore	bookstore	bookstore	bookstore	other
bookstore	bookstore	bookstore	Internet	Internet	other	other
other	other	other	other	other	Internet	bookstore
other	other	Internet	other	bookstore	bookstore	other
bookstore	Internet	Internet	other	bookstore

Use Excel to estimate the proportion of the college students who buy their books on the Internet.
Build a 95% confidence interval for the proportion of students who buy their books on the Internet.
Interpret your result.
Can we conclude that the proportion of students buy their books on the internet differs from one-third? Conduct a test at the 90% confidence level.
Interpret your result.

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