Use the Table to Find the Probability If a Person Is Selected at Random, Find the Probability

question 197

Multiple Choice

Use the table to find the probability.
-The following table indicates the preference for different types of soft drinks by three age groups. $\begin{array}{r|rrr} & \text { cola } & \text { root beer } & \text { lemon-lime } \\\hline \text { under 21 years of age } & 40 & 25 & 20 \\\text { between 21 and 40 } & 35 & 20 & 30 \\\text { over 40 years of age } & 20 & 30 & 35\end{array}$

If a person is selected at random, find the probability that the person is over 40 years of age given that they drink root beer.

• A) \(\frac { 2 } { 5 }\)
• B) \(\frac { 6 } { 17 }\)
• C) \(\frac { 5 } { 17 }\)
• D) None of the above is correct.

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Definitions:

Perpetual Inventory System

An inventory management system that records the sale or purchase of inventory immediately through the use of computerized point-of-sale systems and enterprise asset management software.

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A business that sells new or used cars at the retail level, based on a dealership contract with an automaker.

Likely Used

Refers to items or methods that are commonly adopted or employed due to their effectiveness or efficiency.

Gross Profit

The amount by which sales revenue exceeds the cost of goods sold, prior to subtracting expenses such as overheads, payroll taxes, and interest.