A social sciences researcher wants to know about the amount of money that couples without children spend on leisure travel. Her sample of 280 couples yields a mean of $1263.00 and a standard deviation of $160.00. What is the margin of error for a 95% confidence interval?

Your goal is to have $2,000,000. you have a total of $40,000 today. you invest the $40,000 and want to add to it each month. at 10% annual interest, how much do you need to invest each month in order to bring the total up to $2,000,000 30 years from now?

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate

Carlos hears juan and rita’s complaints about the new employees with whom they have to work with, as well as their threats to quit the company. if carlos were to reassign juan and rita to new, unique roles and separate them from the ronny and bill, it would signal that carlos has moved into the stage of managing resistance.