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

---

Definitions:

Microsoft Word

A widely used word processing program developed by Microsoft, offering a variety of features for creating and editing documents.

HTML

Hypertext Markup Language, a standard markup language for documents designed to be displayed in a web browser.

CSS

Cascading Style Sheets, a stylesheet language used to describe the presentation of a document written in HTML or XML, including colors, layout, and fonts.

JavaScript

A programming language commonly used to create interactive effects within web browsers, enhancing user experiences.