Calculate the p-value for the following conditions and determine whether to reject the null hypothesis:

a. one-tail test, zx = 1.46, and a = 0.10

b. one-tail test, zx = -2.48, and a = 0.01

c. two-tail test, zx = -1.92, and a = 0.01

d. two-tail test, zx = 2.76, and a = 0.02 AppendixLO1