Kelso Motor Parts Produces a Car Battery with a Useful

question 12

Multiple Choice

Kelso Motor Parts produces a car battery with a useful life that has a normal distribution.Average life is 40,000 miles, with a standard deviation of 1500 miles.Suppose the company wants to establish a warranty policy.Any battery not lasting as long as the warranty mileage will be replaced free of charge.What warranty mileage would you suggest to ensure that the company won't have to replace more that 3% of the batteries sold?

• A)25,992 miles
• B)33, 206 miles
• C)37,180 miles
• D)40,210 miles
• E)43,822 miles

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Definitions:

Passive Margin

A continental margin that is not a plate boundary.

Seafloor Age

The age of the oceanic crust, which increases with distance from mid-ocean ridges where new crust is formed.

Crust Age

A measure indicating the age of the Earth's crust, which varies based on location, with the oceanic crust generally being younger than the continental crust.

Spreading Center

A tectonic plate boundary where new crust is created as two plates pull away from each other.