E13 X V fx A local coffee shop owner believes that her employees are using more than the recommended amount of coffee grounds to brew their house A B C coffee, significantly increasing the shop's variable costs. Over the grounds following month, she records the daily use of coffee grounds in ounces 8.23 WNA Set up your hypotheses to determine if, on average, the employees are 10.91 10.26 using more than the daily recommended amount of 10 ounces of coffee 10.78 3:47 grounds. Assume the population standard deviation is 1.2. 9.67 10 00 V O UT A 10.85 Click here for the Excel data file 10.42 10.06 a. Specify the null and alternative hypotheses. 10 10.10 11 10.65 Ho : 10.00 12 10.82 13 10.86 HA: # 14 10.69 15 10.16 16 10.58 17 10.49 18 10.58 19 8.68 20 10.82 21 10.11 22 10.71 23 10.81 24 10.54 25 9.22 26 10.88 27 10.74 28 10.44 29 8.90 b. What are the values for the test statistic and p-value? (Round to 30 9.94 4 decimal places) 31 10.97 32 test statistic 33 34 p-value 35 Is 36 37 38 39