A Survey of Randomly Selected College Students Found That 45

question 13

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:

Kin Selection

An evolutionary strategy that favors the reproductive success of an organism's relatives, even at a cost to the organism's own survival and reproduction.

Homosexuality

A sexual orientation characterized by a romantic or sexual attraction to individuals of the same sex.

Evolutionary Hypothesis

A theory suggesting that certain behaviors or traits have developed over time because they were advantageous for survival and reproduction.

Self-determination Theory

A psychological theory that focuses on people's inherent growth tendencies and innate psychological needs.