CHALLENGE ACTIVITY 4.2.2: z-scores. 270604.2009802 ax3zay7 Jump to level 1 New employees at a company are given a proficiency test. The test scores are approximately normally distributed with a mean of 300 and a standard deviation of 30 A new employee scores 297 on the exam. What is the employee's z-score? Ex: 2.9 2 Check Next F