16. 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.
If α = 0.10 for a test of the hypothesis that the mean is equal to 65, find the critical value(s) for the test.
A. ±1.960
B. ±1.645
C. 1.645
D. -1.645
E. -1.960