The FleetFoot Shoe company claims that the average yearly salary of its workers is $29,800. The Union believes that the average is much less. A random sample of 57 employees shows their average salary to be $29,500 with a population standard deviation of $1200. Test the hypothesis using a 3% level of significance.

Using the classical approach:

(Step 3) Find the criterion:

Group of answer choices

-1.90 or less

-1.88 or less

-1.89 or less

-1.87 or less