Exercise 10-1 (Algo) (LO10-3, LO10-5) A sample of 50 observations is selected from a normal population. The sample mean is 65, and the population standard deviation Is 4. Conduct the following test of hypothesis using the 0.05 significance level. He J =66 Hip# 66 a. Is this a one- or two-talled test? O One-tailed test Two-talled test b. What is the decision rule? O Reject He If -1.960 1.960 c. What is the value of the test statistic? (Negative amount should be Indicated by a minus sign. Round your answer to 2 decimal places.) Value of the test statistic d. What is your decision regarding He? Reject He Fall to reject Ho e-1. What is the p-value? (Round your z value to 2 decimal places and final answer to 4 decimal places.) p-value