If MTBE (Methyl Tert-Butyl Ether) Has Such an Impact on Groundwater

question 21

Multiple Choice

If MTBE (methyl tert-butyl ether) has such an impact on groundwater, why is it added to gasoline?

• A)it helps decrease auto air pollutant emissions
• B)it helps to dissolve other gasoline components if they enter the groundwater system
• C)it burns much cleaner than other gasoline additives
• D)it helps lubricate car engines

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Definitions:

Defective Items

Refers to products or components that do not meet the quality standards or specifications set by the manufacturer or industry.

Simple Random Sample

An element of a statistical population where each member has an equal chance of being included.

Sample Proportion

The fraction of items in a sample that have a particular attribute, used as an estimate of the proportion in the full population.

Population Proportion

The ratio of members in a population who have a certain attribute to the total number of members in the population.