2. The management of a line that fills cereal boxes wants to check the quality of the process. The results from the last 10 samples are presented in the table below. a. Construct the upper and lower control limits for an x-bar chart and R chart. b. Do you think the process in control? Why? 3. The figure below is an Activity on Arrow (AOA) network diagram for a project. The lettered A through G represents an activity as shown in the accompanying precedence diagram. The deterministic time for each activity is in the node. Please answer the following questions: 1) Which path is the critical path? What is the length of the expected time of the project? 2) Determine the following quantities for each activity: the earliest start time, the latest start time, the earliest finish time and the latest finish time and the slack time. Please present your answer in a table