QUESTION 22 3 [Waiting time in a store) Let w denote the average waiting time of a customer in a local grocery store. The manager of the store wants to test the following hypothesis: How SHOW5. To assess this, the manager has taken a random sample of 100 customers and recorded their waiting times. From the sample, the average length of time it took these 105 customers to check out was 55 minutes and the sample standard deviation is 2 minutes. The p-value of the test statistic should be calculated in Excel using which functions below O a t.dist.rtet-stat, 104) O b.t.dist.rte-stat, 105) Oct.dist(t-stat, 104, 1) d.t.dist.2(t-stat, 105) QUESTION 23 Waiting time in a store) Let u denote the average waiting time of a customer in a local grocery store. The manager of the store wants to test the following hypothesis: Ho: s5 How > 5. From their data analysis, they found out that the p-value is 0.07. At 0.05 level of significance, it can be concluded that the mean waiting time of the population is O a significantly greater than 5 O b. Not significantly less than 5 Ocnot significantly greater than 5 O d. data insufficient