Identify which of these types of sampling is used:

a large company wants to administer a satisfaction survey to its current customers. using their customer database, the company randomly selects 70 customers and asks them about their level of satisfaction with the company. what type of sampling is used?

a) random
b) systematic
c) convenience
d) stratified
e) cluster

Which of the following actions is most likely to result in a decrease in the money supply? a. the discount rate on overnight loans is lowered. b. the government sells a new batch of treasury bonds. c. the federal reserve bank buys treasury bonds. d. the required reserve ratio for banks is decreased. 2b2t

What are the period and vertical shift of the cosecant function below? period: ; vertical shift: 1 unit up period: ; vertical shift: 2 units up period: ; vertical shift: 1 unit up period: ; vertical shift: 2 units up?

Verizon communications, inc., provides the following footnote relating to its leasing activities in its 10-k report. the aggregate minimum rental commitments under noncancelable leases for the periods shown at december 31, 2010, are as follows: years (dollars in millions) capital leases operatingleases 2011 $97 $1,898 2012 74 1,720 2013 70 1,471 2014 54 1,255 2015 42 1,012 thereafter 81 5,277 total minimum 418 $ 12,633 rental commitments less interest and (86) executory costs present value of 332 minimum lease payments less current (75) installments long-term obligation $257 at december 31, 2010 (a) confirm that verizon capitalized its capital leases using a rate of 7.4 %. (b) compute the present value of verizon's operating leases, assuming an 7.4% discount rate and rounding the remaining lease term to 3 decimal places. (use a financial calculator or excel to compute. do not round until your final answers. round each answer to the nearest whole number.)