A Previous Study of Nickels Showed That the The Standard

question 60

Multiple Choice

A previous study of nickels showed that the the standard deviation of the weight of nickels is 150 milligrams. A coin counter manufacturer wishes to find the 99% confidence interval for the average
Weight of a nickel. How many nickels does he need to weigh to be accurate within 15 milligrams?

• A) 100
• B) 666
• C) 955
• D) 542

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Definitions:

Aortic Aneurysm

A dangerous and abnormal bulge in the wall of the aorta, the largest artery in the body, which can lead to life-threatening bleeding if it ruptures.

Pericarditis

An inflammation of the pericardium, the thin sac-like membrane surrounding the heart, which can cause chest pain and other symptoms.

Hypotension

A medical condition characterized by blood pressure that is lower than normal, which can result in symptoms like dizziness or fainting.

Coronary Heart Disease (CHD)

A disease characterized by the build-up of plaque in the coronary arteries, leading to reduced blood flow to the heart.