Exhibit 6-2

question 36

Multiple Choice

Exhibit 6-2.Gold miners in Alaska have found,on average,12 ounces of gold per 1000 tons of dirt excavated with a standard deviation of 3 ounces.Assume the amount of gold found per 1000 tons of dirt is normally distributed. Refer to Exhibit 6-2.If the miners excavated 1000 tons of dirt,how little gold must they have found such that they find that amount or less only 15% of the time?

• A)-1.04
• B)1.04
• C)8.88
• D)15.12

---

Definitions:

Government Intervention

The involvement of the government in the market to correct market failures and promote economic stability and growth.

Flu Vaccines

Vaccines that protect against influenza, a contagious respiratory illness caused by influenza viruses.

Marginal Social Benefits

The extra advantage obtained by society from the consumption of an additional unit of any product or service.

Positive Externalities

Benefits that are enjoyed by third-parties as a result of an economic transaction or activity, without them directly participating in the transaction.