Truck Tire Life Is Normally Distributed with a Mean of 60,000

question 85

Multiple Choice

Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles. What is the probability that a tire lasts between 54,000 and 66,000 miles?

• A) 0.4332
• B) 0.8664
• C) 1.00
• D) Very likely

---

Definitions:

Dispositional Attribution

The tendency to attribute someone's behavior to their disposition or personality rather than to external factors.

Defensive Attribution

A tendency to attribute more blame to the victims of accidents for their misfortune the more severe the accident was, often as a way to see the world as just and predictable.

External Attribution

The process of attributing the cause of one's own or others' behaviors to external factors or situations.

Ingroup

A social group to which a person psychologically identifies as being a member, often fostering a sense of belonging or identity.