Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
A researcher wants to test if the mean annual salary of all lawyers in a city is different from $110,000.A random sample of 53 lawyers selected from the city reveals a mean annual salary of $114,000.Assume that $17,000,and that the test is to be made at the 1% significance level.
-What are the critical values of z?

A) -1.96 and 1.96
B) -2.58 and 2.58
C) -2.33 and 2.33
D) -2.05 and 2.05