For each of the following situations, find the critical value(s) for z or t. a) Ho: p= 0.6 vs. HA: p # 0.6 at a = 0.01 b) Ho: p= 0.3 vs. HA: p > 0.3 at a = 0.05 c) Ho: H = 20 vs. HA: H # 20 at a = 0.05; n = 45 d) Ho: p= 0.6 vs. HA: p > 0.6 at a = 0.10; n =330 e) Ho: H = 40 vs. HA: p