A sample pilot survey of 10 executives indicated mean time per week 12 hours with standard deviation of 3 hours the estimate of the mean should be 0.25 hour the level of confidence is 95% how many executives should be surveyed ?

Amanda rice has just arranged to purchase a $640,000 vacation home in the bahamas with a 20 percent down payment. the mortgage has a 7 percent apr compounded monthly and calls for equal monthly payments over the next 30 years. her first payment will be due one month from now. however, the mortgage has an eight-year balloon payment, meaning that the balance of the loan must be paid off at the end of year 8. there were no other transaction costs or finance charges. how much will amanda’s balloon payment be in eight years

In the fall of 2008, aig, the largest insurance company in the world at the time, was at risk of defaulting due to the severity of the global financial crisis. as a result, the u.s. government stepped in to support aig with large capital injections and an ownership stake. how would this affect, if at all, the yield and risk premium on aig corporate debt?

Suppose that a paving company produces paved parking spaces (q) using a fixed quantity of land (t) and variable quantities of cement (c) and labor (l). the firm is currently paving 1,000 parking spaces. the firm's cost of cement is $3 comma 600.003,600.00 per acre covered (c) and its cost of labor is $35.0035.00/hour (w). for the quantities of c and l that the firm has chosen, mp subscript upper c baseline equals 60mpc=60 and mp subscript upper l baseline equals 7mpl=7. is this firm minimizing its cost of producing parking spaces?