Aresearcher would like to study the average amount of debt owed by retired people in the united states. what could be an example of a strata sampled? select all that would apply.
retirees from different states in the united states
retirees who had different jobs in the united states
retirees with different education levels
retirees who lived near the researcher
retirees who returned a survey sent in the mail

)murphy was consuming 100 units of x and 50 units of y . the price of x rose from 2 to 3. the price of y remained at 4. (a) how much would murphy’s income have to rise so that he can still exactly afford 100 units of x and 50 units of y ? g

1. gar principles or "the principles"are intended to do what? a. foster an awareness of the hierarchical structure of the organization b. explain the best method of implementing biometric security techniques c. foster an awareness of the importance of good employee training d. foster an awareness of getting upper level management on board in understanding the need to implement an ig program e. foster an awareness of good record keeping principles

Arnold rossiter is a 40-year-old employee of the barrington company who will retire at age 60 and expects to live to age 75. the firm has promised a retirement income of $20,000 at the end of each year following retirement until death. the firm's pension fund is expected to earn 7 percent annually on its assets and the firm uses 7% to discount pension benefits. what is barrington's annual pension contribution to the nearest dollar for mr. rossiter? (assume certainty and end-of-year cash flows.)