Question

The annual salaries of all employees at a financial company are normally distributed with a mean Mu = $34,000 and a standard deviation Sigma = $4,000. What is the z-score of a company employee who makes an annual salary of $28,000? –5 –3. 5 –1. 5 1. 5.

Answer 1

The Z-score of an employee making an annual salary of $28000 is -1.5.

It is given that,

Mean μ = $34000

Standard deviation σ = $4000

Salary x = $28000

What is a z-score?

Z-score is a numerical measurement that describes a value's relationship to the mean of values.

Formula to calculate z-score = (x - μ)/σ

So, z-score = (28000-34000)/4000z = -1.5

Therefore, the z-score of an employee making an annual salary of $28000 is -1.5.

To get more about z-score, refer to the link:

https://brainly.com/question/25638875