A Survey of Households in a Small Town Showed That

question 7

Multiple Choice

A survey of households in a small town showed that in 500 of 1,200 sampled households,at least one member attended a town meeting during the year. Using the 95% level of confidence,what is the confidence interval for the proportion of households represented at a town meeting?

• A)[0.417,0.427]
• B)[0.389,0.445]
• C)[0.400,0.417]
• D)[0.417,0.445]

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Definitions:

Malaria

A mosquito-borne infectious disease affecting humans and animals caused by parasitic protozoans of the genus Plasmodium, characterized by fever, chills, and flu-like illness.

Organism

A living entity that can function independently, consisting of one or more cells.

Contractile Vacuole

In freshwater protists, an organelle that collects and expels excess water.

Cilia

Microscopic hair-like structures that extend from the surface of many animal cells, involved in movement and sensory processes.