The Salary of Teachers in a Particular School District Is

question 12

Multiple Choice

The salary of teachers in a particular school district is normally distributed with a mean of $50,000 and a standard deviation of $2,500. Due to budget limitations, it has been decided that the teachers who are in the top 2.5% of the salaries would not get a raise. What is the salary level that divides the teachers into one group that gets a raise and one that doesn't?

• A) −1.96
• B) 1.96
• C) 45,100
• D) 54,900

---

Definitions:

Primary Bronchi

The two main divisions of the trachea that lead directly into the lungs, facilitating the flow of air.

Secondary Bronchi

The branches of the primary bronchi that lead into each lobe of the lungs, facilitating the transport of air.

Windpipe

Commonly known as the trachea, it's the tube that connects the larynx to the bronchi, providing air passage to the lungs.

Trachea

Also known as the windpipe, it is a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs.