According to USA Today, Customers Are Not Settling for Automobiles

question 94

Multiple Choice

According to USA Today, customers are not settling for automobiles straight off the production lines. As an example, those who purchase a $355,000 Rolls-Royce typically add $25,000 in accessories. One of the affordable automobiles to receive additions is BMW's Mini Cooper. A sample of 179 recent Mini purchasers yielded a sample mean of $5,000 above the $20,200 base sticker price. Suppose the cost of accessories purchased for all Mini Coopers has a standard deviation of $1,500. Calculate a 95% confidence interval for the average cost of accessories on Mini Coopers.

• A) (4850.33, 5149.67)
• B) (4878.82, 5121.18)
• C) (4788.86, 5211.14)
• D) (4780.25, 5219.75)

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Definitions:

Input

In computing and electronics, an input is the signal or data received by a system or component.

Normally Closed

A term used to describe a switch or contact configuration where the default state is making contact (closed), allowing current flow until actuated to open.

Stop Buttons

Manual control devices used to halt machine operations or processes, typically as a safety or emergency measure.

PLC

Stands for Programmable Logic Controller, a digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines.