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

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Definitions:

Buying Decision

The process through which a consumer decides whether or not to purchase a product or service.

Frito-Lay

A subsidiary of PepsiCo, specializing in the manufacture and distribution of snack foods.

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The total amount of goods or materials a business holds, intended for sale or use in production, often managed to optimize supply chain efficiency.

Order Taker

An individual or system in charge of receiving and processing customer orders without engaging in proactive selling activities.