A sample of 60 observations is selected from one population with a population standard deviation of 0.68. The sample mean is 268. A sample of 49 observations is selected from a second population with a population standard deviation of 0.69. The sample mean is 2.62. Conduct the following test of hypothesis using the 0.1 significance level: HO H-120 th: H1-H2 > 0 a. Is this a one-tailed or a two-tailed test? This is a one -tailed test. b. State the decision rule. (Round the final answer to 2 decimal places.) The decision rule is to reject Ho if zis greater than c. Compute the value of the test statistic (Negative answer should be indicated by a minus sign. Round the final answer to 2 decimal places.) The test statistic is z d. What is your decision regarding Ho? Ho is not rejected e. What is the p-value? (Round the final answer to 4 decimal places.) The p-value is