In Order to Fairly Set Flat Rates for Auto Mechanics

question 73

Multiple Choice

In order to fairly set flat rates for auto mechanics, a shop foreman needs to estimate the average time it takes to replace a fuel pump in a car. How large a sample must he select if he wants to be 99% confident that the true
Average time is within 15 minutes of the sample average? Assume the standard deviation of all times is 30
Minutes.

• A)27
• B)26
• C)6
• D)5

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Definitions:

Public Policies

Principles and actions taken by governments to address public issues, ranging from health and safety to economic growth.

Health Care

A broad field involving the provision of medical services to prevent, treat, and manage illness, as well as to preserve mental and physical well-being through the services offered by the medical, nursing, and allied health professions.

Motor Vehicle

A self-propelled vehicle used for transportation of people or goods on roads.

Tailgating

The practice of driving too closely behind another vehicle, reducing the reaction time to stop safely.