A Study of the Amount of Time It Takes a Mechanic

question 182

Multiple Choice

A study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are randomly selected, find the probability that their mean rebuild time is less than 8.9 hours.

• A) 0.4276
• B) 0.9589
• C) 0.9608
• D) 0.9756

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Nonprice Rationing

Methods of allocating goods and services without adjusting prices, often used in times of shortages, such as queuing or allocating based on need.

Queuing

The process or system by which people or items are arranged in a line awaiting their turn to be attended to or processed.

Ration Coupons

Tickets or coupons that entitle individuals to purchase a certain amount of a given product per month.

Rationing Coupons

Tickets or certificates that allow the holder to purchase a certain amount of a product or service, used especially in times of shortages to ensure equitable distribution.