For each of the following situations, find the critical value(s) for z or t. a) Ho: p= 0.3 vs. HA: p # 0.3 at a = 0.01 b) Ho: p= 0.2 vs. HA: p > 0.2 at a = 0.05 c) Ho: H = 10 vs. HA: H # 10 at a = 0.05; n = 43 d) Ho: p = 0.3 vs. HA: p > 0.3 at a = 0.01; n = 330 e) Ho: H = 20 vs. HA: H