Exhibit 6-8 The Life Expectancy of a Particular Brand of Tire Is

question 72

Multiple Choice

Exhibit 6-8
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles.
-Refer to Exhibit 6-8. What is the probability that a randomly selected tire will have a life of exactly 47,500 miles?

• A)0.0000
• B)0.9332
• C)0.0668
• D)0.4993

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Definitions:

Glucose

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance composed of hydrogen and oxygen, essential for most forms of life on Earth.

Blood pH

A measure of the acidity or alkalinity of the blood, maintaining a tightly regulated level that is essential for normal bodily functions, usually around 7.35 to 7.45.

Fibrous Connective Tissue

A type of connective tissue rich in collagen fibers that provides support and shock absorption in various structures of the body such as ligaments and tendons.