The Tread Life of a Particular Brand of Tire Is

question 98

Multiple Choice

The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 1900 miles. What is the
Probability a certain tire of this brand will last between 56,010 miles and 56,580 miles?

• A).0180
• B).9813
• C).4649
• D).4920

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Definitions:

Environmental Conditions

External factors that affect living organisms, including natural elements like climate and human-made changes.

Genes

Units of heredity made up of DNA that carry information for the development, functioning, and reproduction of organisms.

Active

Engaged in movement or participation; not passive.

Inactive

Not engaging in physical activity or not currently in operation.