A sample of 47 observations is selected from a normal population. The sample mean is 27, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.10 significance level. Ho: 26 H: > 26 a. Is this a one- or two-tailed test? O One-tailed test Two-tailed test b. What is the decision rule? O Reject Ho when z> 1.282 O Reject Ho when z 1.282 c. What is the value of the test statistic? (Round your answer to 2 decimal places.) Value of the test statistic d. What is your decision regarding Ho? Reject Ho O Fail to reject Ho e-1. What is the p-value? (Round your answer to 4 decimal places.)