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

question 98

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 at least 47,500 miles?

• A)0.4332
• B)0.9332
• C)0.0668
• D)0.4993

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Definitions:

Three Mountain Task

A cognitive test developed by Jean Piaget to assess a child's ability to see things from other perspectives, testing their egocentrism.

Egocentrism

A cognitive trait where an individual is unable to understand or assume any perspective other than their own, often seen in early childhood development.

Piaget

Refers to Jean Piaget, a Swiss psychologist known for his pioneering work in developmental psychology and his theory of cognitive development in children.

Cardinality Principle

A concept in mathematics education that the last number named when counting objects represents the total number of objects in the set.