Question 1 12 pts The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes with a standard deviation of 0.5 minutes. We want to test to determine whether or not the mean waiting time of all customers is signicantly more than 3 minutes. What is the value of the test statistic? Round your answer to three decimal places. E Question 2 12 pts Refer to Question 1. What is the p-value associated with the hypothesis test? Round your answer to three decimal places. D Question 3 13 pts Refer to Question 1. If alpha for this test is 0.05, what is the critical value? Round your answer to three decimal places. D Question 4 13 pts Considering the questions above, the correct conclusion is O inconclusive. O reject the null hypothesis. 0 do not reject the null hypothesis. 0 reject both hypotheses