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A Survey of 40 Students at a Local College Asks

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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. Use Excel to estimate the proportion of all of the college students who buy their books on the Internet.
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. Use Excel to estimate the proportion of all of the college students who buy their books on the Internet.

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