Consider the following hypotheses. HO: p s 0.18 H1 : p > 0.18 Given that p: 0.2, n = 140, and a = 0.01, answer the following questions. a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. Z\": (Use a comma to separate answers as needed. Round to two decimal places as needed.) Calculate the test statistic. z = (Round to two decimal places as needed.)