Suppose the Average Tread-Life of a Certain Brand of Tire

question 34

Multiple Choice

Suppose the average tread-life of a certain brand of tire is 42,000 miles and that this mileage follows the exponential probability distribution. What is the probability that a randomly selected tire will have a tread-life between 30,000 and 50,000 miles?

• A)0.6959
• B)0.5105
• C)0.2719
• D)0.1854

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Definitions:

Tonnes

A metric unit of mass equivalent to 1,000 kilograms or approximately 2,204.6 pounds.

Processing Mill

A facility where raw materials are processed, refined, or transformed into finished products through various mechanical or chemical procedures.

Transportation Costs

The expenses associated with moving goods from one location to another, including fuel, labor, and maintenance of vehicles.

Composite Score

An aggregated score that combines several individual scores or measures to form a single summary statistic.