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

question 38

Multiple Choice

Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles. You bought four tires. What is the probability that the average mileage of the four tires exceeds 66,000 miles?

• A) 0.0013
• B) 0.9987
• C) 0.4987
• D) 0.9544

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Definitions:

Business Contract

A legally binding agreement between two or more parties that outlines the terms and conditions of a business transaction.

Overall Set

The total collection or group of items, elements, or properties being considered or discussed.

Organization

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Expectations

Beliefs or predictions about future events, often influencing behavior and decision-making.