A Study of 55 Professors Showed That the Average Time $14.5 < \mu < 18.5$

question 93

Multiple Choice

A study of 55 professors showed that the average time they spent creating test questions was 16.5 minutes per question. The standard deviation of the population is 5.8. Which
Of the following is the 99% confidence interval for the average number of minutes it
Takes to create a test question?

• A) \(14.5 < \mu < 18.5\)
• B) \(15.5 < \mu < 17.5\)
• C) \(14.7 < \mu < 18.3\)
• D) \(12.5 < \mu < 20.5\)

---

Definitions:

Policies

Formal guidelines or rules established by organizations to govern decision-making and establish boundaries for behavior.

Procedures

refer to established ways of doing things; these are step-by-step instructions or guidelines designed to achieve specific tasks or outcomes.

Matrix Structures

An organizational structure that combines two or more types of departmentalization, for example, functional and product, leading to dual reporting relationships for some employees.

Aerospace Industry

A sector that involves the research, development, and manufacture of flight vehicles, including aircraft and spacecraft.