I. :5 CENGAGE | MINDTAP Q Search this course 9.3 Practice -, Submit Assignmentf Grading Questions Exercise 09.10 (Population Mean: Sigma Known) Question 1 of2 . 1. O ' Check My Work 2 0 Consider the following hypothesis test: Ho: M S 25 Ha: u > 25 A sample of 40 provided a sample mean of 26.4. The population standard deviation is 6. a. Compute the value of the test statistic (to 2 decimals). b. What is the pvalue (to 4 decimals)? Use the value of the test statistic rounded to 2 decimal places in your calculations. c. At a = 0.01, what is your conclusion? pvalue is [ - Select your answer - g i] Ho d. What is the rejection rule using the critical value? Reject Ho if z is _ What is your conclusion? Ho Check My Work 01 Icon Key X