For a two-tailed test at 86.12 confidence, Z =
a. 1.96
b. 1.48
c. 1.09
d. 0.86
Question 2
If a hypothesis is rejected at 95 confidence, it
a. will always be accepted at 90 confidence
b. will always be rejected at 90 confidence
c. will sometimes be rejected at 90 confidence
d. None of these alternatives is correct.