When the expected value of the point estimator is equal to the population parameter it estimates, it is said to be?

Afreezer manufacturer might purchase sheets of steel, wiring, shelving, and so forth, as part of its final product. this is an example of what sub-classification of business market?

You have just received notification that you have won the $2.0 million first prize in the centennial lottery. however, the prize will be awarded on your 100th birthday (assuming you're around to collect), 66 years from now. what is the present value of your windfall if the appropriate discount rate is 8 percent?

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?