The Distribution of a Sample of the Outside Diameters of PVC

question 97

Multiple Choice

The distribution of a sample of the outside diameters of PVC gas pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. About 68 percent of the outside diameters lie between what two amounts?

• A) 13.5 and 14.5 inches
• B) 13.0 and 15.0 inches
• C) 13.9 and 14.1 inches
• D) 13.8 and 14.2 inches

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Definitions:

Autonomy

The right or condition of self-government, especially in the context of individual moral, ethical, or personal decisions.

Absolute

A term typically used to describe something that is complete or total, often without limitation or qualification.

Infringed

To encroach upon someone’s rights or freedoms, or breach a law or agreement.

Reasonable Steps

Actions or measures that are considered sensible and proportionate in a given situation to achieve a specified outcome.