On a Test of Physical Fitness, 18-Year-Olds' Scores Are Normally

question 62

Essay

On a test of physical fitness, 18-year-olds' scores are normally distributed with a mean of 140 and a standard deviation of 25.
a. Approximately what percentage of 18-year-olds have scores above 190? Below 165? Below 115?
Use the normal curve approximation rules and be sure to include a sketch.
b. Explain your answers and procedure to a person who is not familiar with the normal curve or normal curve areas.

Understand the regulatory requirements for drinking water suppliers.

Comprehend the obligations for discharging toxic substances and pollutant control.

Recognize the role and authority of the U.S. Army Corps of Engineers in managing wetlands.

Grasp the concepts of liability under environmental statutes such as CERCLA.

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Definitions:

Surface Area

The total area covered by the outer layer of an object, measured in square units.

Lymphatic Tissue

Specialized tissue in the lymphatic system involved in immune responses.

Tongue

A muscular organ in the mouth of most vertebrates, involved in taste, swallowing, and speech.

Hepatic Lobules

The microscopic functional units of the liver, consisting of a hexagonal arrangement of liver cells (hepatocytes) centered around a central vein.