Calculate the p-value for the following conditions and determine whether or not to reject the null hypothesis. a) one-tail test, z= = 1.20, and a = 0.01 b) one-tail test, z- = -2.05, and x = 0.10 c) two-tail test, z = 2.40, and = 0.01 d) two-tail test, z = -1.87, and a = 0.02 Click here to view page 1 of the cumulative probabilities for the standard normal distribution. Click here to view page 2 of the cumulative probabilities for the standard normal distribution. a) The p-value is (Round to four decimal places as needed.)