Question
New employees at a company are given a proficiency test. The test scores are approximately normally distributed with a mean of 250 and a standard
New employees at a company are given a proficiency test. The test scores are approximately normally distributed with a mean of 250
and a standard deviation of 20. A new employee scores 238
on the exam. What is the employee's z
-score?
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Precalculus Enhanced With Graphing Utilities (Subscription)
Authors: Michael Sullivan, Michael Sullivan III
7th Edition
0134273125, 9780134273129
