Chapter 8.1, Problem 11E

Using the z table (Table E), find the critical value (or values) for each.

a. α = 0.10, two-tailed test

b. α = 0.01, right-tailed test

c. α = 0.005, left-tailed test

d. α = 0.01, left-tailed test

e. α = 0.05, right-tailed test