For each of the following situations, find the critical value(s) for z or t. a) Ho: H = 103 vs. HA: H # 103 at a = 0.05; n = 71 b) Ho: p = 0.05 vs. HA: P > 0.05 at a = 0.10 c) Ho: P = 0.4 vs. HA: p # 0.4 at a = 0.01 d) Ho: p = 0.3 vs. HA: P