Find and Interpret the Area Under a Normal Curve

question 27

Multiple Choice

Find and Interpret the Area under a Normal Curve
-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 1300 miles. What is the probability a particular tire of this brand will last longer than 58,700 miles

• A) 0.8413
• B) 0.1587
• C) 0.2266
• D) 0.7266

---

Definitions:

Castration

The removal of the testicles in males or ovaries in females, which drastically reduces hormone production, affecting reproduction and secondary sexual characteristics.

Hans Selye

A pioneering Hungarian endocrinologist who identified the stress response as having three stages: alarm, resistance, and exhaustion.

Stress

The body's response to any demand or challenge, ranging from minor daily pressures to major life events, which can affect mental and physical health.

Warm Climate

A warm climate is characterized by high average temperatures and often includes tropical and subtropical zones.