A Manufacturer of Personal Computers Tests Competing Brands and Finds $\left[ \begin{array} { l l } 269.76 & 300.24\end{array} \right]$

question 125

Multiple Choice

A manufacturer of personal computers tests competing brands and finds that the amount of energy they require is normally distributed with a mean of 285 kwh and a standard deviation of 9.1 kwh.If the lowest 25 percent and the highest 30 percent are not included in a second round of tests,what are the upper and lower limits for the energy amounts of the remaining computers?

• A) \(\left[ \begin{array} { l l }
• 269.76 & 300.24
• \end{array} \right]\)
• B) \(\left[ \begin{array} { l l }
• 269.76 & 289.78
• \end{array} \right]\)
• C) \([ 280.22\) \( \quad\)\( \quad\)\(289.78 ]\)
• D) \(\left[ \begin{array} { l l }
• 280.22 & 300.24
• \end{array} \right]\)

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Definitions:

Assimilate

The process by which an individual or group takes in and fully understands information or ideas, also can refer to the integration of people into a culture or society.

Stereotype Threat

The risk of confirming negative stereotypes about an individual's racial, ethnic, gender, or cultural group, which can hamper performance in various domains.

Ethnic Identity

An individual's sense of belonging to a specific ethnic group, including aspects of culture, tradition, language, and religion.

Alienation And Assimilation

Processes through which individuals or groups become foreign to their own culture or integrate into another culture, respectively.