A Survey of Randomly Selected College Students Found That 45 $98 \%$

question 10

Multiple Choice

A survey of randomly selected college students found that 45 of the 99 freshmen and 57 of the 100 sophomores surveyed had purchased used textbooks in the past year. Construct a $98 \%$ confidence interval for the difference in the proportions of college freshmen and sophomores who purchased used textbooks.

• A) \(( 0.317,0.593 )\)
• B) \(( 0.291,0.593 )\)
• C) \(( - 0.279,0.049 )\)
• D) \(( 0.291,0.619 )\)
• E) \(( - 0.253,0.593 )\)

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Definitions:

Activities

Tasks or actions undertaken by individuals, usually referring to events involving movement, creativity, or social interaction.

Sales Contest

A competitive event designed to motivate sales personnel to increase their sales performance over a certain period.

Short-term Incentive

A reward system designed to motivate employees over a brief period, often meant to boost immediate performance or achieve specific short-term objectives.

Package Surprise

An unexpected benefit or gift included with a purchase, often used as a marketing strategy to enhance customer satisfaction and loyalty.