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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Structural Unit

The smallest part of a structure that retains the functional properties of the larger structure, such as cells in an organism or bricks in a building.

Multicellular Organism

A multicellular organism is an organism consisting of more than one cell, and having differentiated cells that perform specialized functions.

Functional

Capable of operating or functioning in the intended or expected way.

Kingdom Plantae

Kingdom Plantae comprises all known plants, characterized by their ability to perform photosynthesis with chlorophyll, having cellulose in cell walls, and growing through cell division.