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:

Color Vision

The ability of the eye and brain to perceive differences in wavelengths of light as differing colors.

Light Intensity

The amount of light that hits a surface per unit area, often measured in lumens per square meter, and affecting how bright or dim an environment appears.

Techno-stress

Stress from having to use and to master workplace information and communication technologies.

Workplace Information

Data and knowledge pertaining to an employment environment, including policies, procedures, and employee guidelines.