Find the25th percentile of thet-distribution with30

degrees of freedom. Type as #.###

2)

Find the60th percentile of thet-distribution with4

degrees of freedom. Type as #.###

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 10

A new employee scores 258 on the exam. What is the employee's z-score?