The Rejection Region for Testing the Hypotheses $H _ { 0 } : \mu =$

Multiple Choice

The rejection region for testing the hypotheses $H _ { 0 } : \mu =$ 100. $H _ { 1 } : \mu \neq$ 100. at the 0.05 level of significance is:

A) |z| < 0.95.
B) |z| > 1.96.
C) z > 1.65.
D) z < 2.33.