Assume That the Data Has a Normal Distribution and the Number

Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z
value used to test a null hypothesis.
- $\alpha = 0.05$ for a two-tailed test.

A) $\pm 1.764$
B) $\pm 1.96$
C) $\pm 2.575$
D) $\pm 1.645$