Refer to the Figure Above

question 3

Multiple Choice

Refer to the figure above.Suppose that MD_u represents the damages associated with ambient levels of benzene in an urban area and MD_r represents those same damages in a rural area.If the ambient emission standard is set at e_u, the standard yields a (n) _________ level of pollution in urban areas but is unnecessarily ____________ for rural areas.

• A)socially efficient; strict
• B)socially efficient; lenient
• C)inefficient; acceptable
• D)inefficient; compromised

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Preventive Maintenance

Scheduled maintenance activities conducted on equipment before faults occur in order to prevent breakdowns and minimize downtime.

Redundancy

The use of components in parallel to raise reliability.

Infant Mortality

Infant mortality is the statistical measure of the number of deaths of infants under one year old per 1,000 live births.