A Researcher at a Large University Wanted to Investigate If

question 210

Multiple Choice

A researcher at a large university wanted to investigate if a studentʹs seat preference was related in any way tothe gender of the student. The researcher divided the lecture room into three sections (1-front, middle of theroom, 2-front, sides of the classroom, and 3-back of the classroom, both middle and sides) and noted where hisstudents sat on a particular day of the class. The researcherʹs summary table is provided below. Suppose aperson sitting in the front, middle portion of the class is randomly selected to answer a question. Find theprobability the person selected is a female. $\begin{array}{r|ccc|c} & \text { Area (1) } & \text { Area (2) } & \text { Area (3) } & \text { Total } \\\hline \text { Males } & 17 & 5 & 11 & 33 \\\text { Females } & 10 & 14 & 15 & 39 \\\hline \text { Total } & 27 & 19 & 26 & 72\end{array}$

• A) \(\frac { 10 } { 27 }\)
• B) \(\frac { 10 } { 39 }\)
• C) \(\frac { 9 } { 13 }\)
• D) \(\frac { 5 } { 36 }\)

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Definitions:

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a specified period of time.

Long Run

A period in which all factors of production and costs are variable, allowing firms to adjust to meet changes in the market.

Industry Entry

The process of a new competitor or company beginning operations in a specific market or industry.

MR

Marginal Revenue, the additional income that is gained from selling one more unit of a product or service.