A concert hall has 10,000 seats. If tickets are $5 and $9, how many of each type of ticket should be sold to bring in each of the returns indicated in the table? Use decimals in computing the inverse.(20)

CONCERT

1 2 3

Tickets sold 10,000 10,000 10,000

Return required $ 58,000 $ 65,000 $ 68,000

Q. 5What are the best sources of data collection for the following? (20)

(a)A bank loan officer wishes to forecast the economy of the state in which the economy of the state in which the bank operates.

(b)A research project has the purpose of identifying the labor issues of concern to a union.

(c)A manager must determine the best site for a convenience store in an urban area.

(d)Median weekly earnings of full-time salaried workers for the range 1995-2000.