Gold Miners in Alaska Have Found,on Average,12 Ounces of Gold

question 6

Multiple Choice

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. 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:

Medical Procedures

Standardized actions performed by healthcare professionals to diagnose, treat, or prevent health conditions.

Pessimistic Explanatory Style

The tendency to explain negative events as being pervasive, personal, and permanent, often leading to feelings of helplessness.

Recover

The process of returning to a normal state of health, mind, or strength after experiencing illness, trauma, or disruption.

Immune Systems

Biological systems that protect organisms from pathogens through a complex network of cells, tissues, and organs.