What Sample Size Is Needed to Estimate the Proportion of Highway

question 8

Multiple Choice

What sample size is needed to estimate the proportion of highway speeders within 5 percent using a 90 percent confidence level?

• A) 385
• B) 68
• C) 271
• D) 165

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Definitions:

Sexual Response Cycle

A four-stage model describing the physiological and emotional processes involved in sexual interaction, including excitement, plateau, orgasm, and resolution.

Rapid Decrease

A swift reduction in quantity, value, or intensity over a short period of time.

Castration

The removal of the testicles in males or ovaries in females; it can also refer to the ending or reduction of power or effectiveness.

Testosterone Levels

The concentration of the hormone testosterone in the body, which plays key roles in male sexual development, muscle and bone mass, and behavior.