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:

Figure

An object's shape, outline, or representation in art or mathematics, or a notable person in a particular field.

Syllogism

A form of reasoning in which a conclusion is drawn from two given or assumed propositions (premises); a logical structure that uses three parts.

Middle Term

In a categorical syllogism, the term that appears in both premises and links together the major and minor terms.

Syllogism

A form of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true.