An Industrial Engineer Is Conducting a Time Study for a Work

question 108

Multiple Choice

An industrial engineer is conducting a time study for a work element. The select time is 4.5 minutes, and the sample standard deviation of the observed time is 20 seconds. What is the appropriate sample size if the estimate is to be 5 percent of the True average time 95 percent of the time?

• A) fewer than or equal to seven
• B) greater than seven but fewer than or equal to eight
• C) greater than eight but fewer than or equal to nine
• D) greater than nine

---

Definitions:

Executive Summary

A concise overview of a document's main points and conclusions, typically placed at the beginning to inform readers quickly.

Introduction

A preliminary section in a document that provides an overview of its purpose and contents.

Executive Summary

A concise overview of a document's main points and conclusions, designed to provide a quick insight for decision-makers.

Table of Contents

A list found at the beginning of a document that displays the titles and page numbers of the sections, facilitating easy navigation through the document.