In relation to hypothesis testing. It can be stated that: I. Type II error is involved in the non-rejection of the null hypothesis when it is false. II. The zone of rejection or non-rejection of the null hypothesis is determined by the or the critical value (depending on whether the test is bilateral or unilateral). III. The first step to perform a hypothesis test is to calculate the critical value(s), thus identifying the rejection zones. Select one: a. I only. b. II only. c. I and II. d. I and III. e. I, II and III.