Verizon Wireless Would Like to Estimate the Proportion of Households

question 46

Multiple Choice

Verizon Wireless would like to estimate the proportion of households that use cell phones for their phone service without a land line. A random sample of 150 households was selected and 48 relied strictly on cell phones for their service. The approximate standard error of the proportion for this sample is _______.

• A)0.0381
• B)0.0419
• C)0.0580
• D)0.0225

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Definitions:

Archaea

A category of unicellular microorganisms that are genetically different from both bacteria and eukaryotes, frequently located in harsh environments.

Cell Theory

A fundamental principle in biology stating that all living organisms are composed of cells, which are the basic unit of life, and that all cells come from pre-existing cells.

Matthias Schleiden

A German botanist and co-founder of cell theory, who in 1838 proposed that all plant tissues are composed of cells and that plant growth results from the production and expansion of these cells.

Anton Van Leeuwenhoek

A Dutch scientist known as the "Father of Microbiology" for his pioneering work in the development of the microscope and the discovery of microbial life.