The Following Table Shows the Amount Spent, in Billions of Dollars

question 66

Short Answer

The following table shows the amount spent, in billions of dollars, on recreational boats and accessories in the United States during the period 1999-2001. (Let S be the set of all dollars represented in the table.)
Compute the cardinality of the set described as $n ( A \cap ( N \cup U ) )$ . $$\begin{array} { | l | l | l | l | l | } \hline & \text { Used Boats, } \boldsymbol { U } & \text { New Boats, } \boldsymbol { N } & \text { Accessories, } \boldsymbol { R } & \text { Total } \\\hline \mathbf { 1 9 9 9 , } , \boldsymbol { A } & 5 & 7 & 3 & 15 \\\hline \mathbf { 2 0 0 0 } , \boldsymbol { B } & 7 & 7.5 & 2 & 16.5 \\\hline \mathbf { 2 0 0 1 } , \boldsymbol { C } & 8 & 8 & 5 & 21 \\\hline \text { Total } & 20 & 22.5 & 10 & 52.5 \\\hline\end{array}$$ ​
​ $n ( A \cap ( N \cup U ) ) =$ __________ billion dollars.

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Definitions:

Financial Assets

Assets that are paper claims on some return or income, such as stocks, bonds, or bank deposits.

Factors Of Production

Elements involved in generating goods and services, such as land, workforce, financial investment, and entrepreneurial skill.

Production Possibilities Frontier

A graph that shows the highest production levels of two products, based on available resources and various factors.

Trade-offs

The idea of sacrificing one positive aspect or perk to obtain another that is considered to be more desirable.