Find the Indicated Probability If One of the 255 Subjects Is Randomly Selected, Find

question 184

Multiple Choice

Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
-The table below shows the soft drinks preferences of people in three age groups.
$$\begin{array} { r | c c c } & \text { cola } & \text { root beer } & \text { lemon-lime } \\\hline \text { under 21 years of age } & 40 & 25 & 20 \\\text { between 21 and 40 } & 35 & 20 & 30 \\\text { over 40 years of age } & 20 & 30 & 35\end{array}$$
If one of the 255 subjects is randomly selected, find the probability that the person is over 40 years of age given that they drink root beer.

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

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Definitions:

Tobacco Manufacturers

Companies engaged in the production and distribution of tobacco products, including cigarettes, cigars, pipe tobacco, and snuff.

Natural Language Method

Techniques used in artificial intelligence and computational linguistics to enable machines to understand and interpret human (natural) language.

Terms And Connectors

Language elements used in legal databases and searches to specify relationships between search terms, enhancing the relevance and precision of results.

Boolean Search Method

A technique used in search engines and databases involving the use of logical operators (AND, OR, NOT) to refine and narrow search results.