Grear Tire Company has produced a new tire with an estimated mean lifetime mileage of 36,500 miles. Management also believes that the standard deviation is 5,000 miles and
that tire mileage is normally distributed. To promote the new tire, Grear has offered to
refund some money if the tire fails to reach 30,000 miles before the tire needs to be
replaced. Specifically, for tires with a lifetime below 30,000 miles, Grear will refund a
customer $1 per 100 miles short of 30,000.
a) For each tire sold, what is the expected cost of the promotion?

Afreelance​ singer-songwriter is planning the restoration of a recently purchased civil​ war-era farmhouse. while he professes an enjoyment​ of, and talent in the construction​ trades, the theory of comparative advantage implies that a. the value of what he imports​ (in this​ case, professional contractor​ services) must equal the value of what he exports​ (songs). b. he should concentrate on the restoration work since his​ out-of-pocket costs will be much lower than if he hires professionals. c. ​self-sufficiency is​ advantageous, hence he should split his time between music and construction. d. the income lost while away from music will likely exceed the savings realized by doing the work​ himself, thus, he should hire professionals to do the restoration work. e. he ought to do as much of the work himself as possible since imports​ (in this​ case, professional contractor​ services) should always be restricted to those things that cannot be done internall

Any point on a country's production possibilities frontier represents a combination of two goods that an economy:

Aprice control is: question 1 options: a)a tax on the sale of a good that controls the market price.b)an upper limit on the quantity of some good that can be bought or sold.c)a legal restriction on how high or low a price in a market may go.d)control of the price of a good by the firm that produces it.