Instruction 4-9
a Sample of 300 Adults Is Selected -Referring to Instruction 4-9,if a Randomly Selected Adult Is a Table

question 81

Short Answer

Instruction 4-9
A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events.
$$\begin{array} { | l | c | c | c | c | c | } \hline { } && { \text { Preferred source of information } } \\\hline{ } && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \\\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \\\hline & \text { Not registered } & 35 & 44 & 45 & 20 \\\hline\end{array}$$
-Referring to Instruction 4-9,if a randomly selected adult is a registered voter,what is the probability that he/she prefers to get his/her current information from the newspapers?

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Definitions:

Total Revenues

The overall amount of money earned or received by a business or organization from its activities, before any expenses are subtracted.

Total Costs

The comprehensive sum of all expenses incurred in the production of goods or services, including fixed and variable costs.

Profit-maximizing Monopolist

A monopolist that determines the quantity of output that maximizes its profits, considering its total revenue and total cost.

Level of Output

The total amount of goods or services produced in an economy over a certain period of time.