ne difference between AON and AOA networks is that: AOA networks sometimes require dummy activities. B) nodes consume no resources or time in AOA networks. C) both are acceptable in practice. D) nodes designate activities in AON, while arrows designate activities in AOA E) All of the above are true. 7. A simple CPM network has five activities, A, B, C, D, and E. A is an immediate predeces and of D. B is also an immediate predecessor of C and of D. C and D are both immedia predecessors of E. Which of the following statements is true? A) There are two paths in this network. B) There are four paths in this network. C) There are five paths in this network. D) There are 25 paths in this network. E) There are six paths in this network. 8. A control chart that uses the actual number of defects per item in a sample to mo is known as a A) p-chart B) c-chart C) R-chart D) Mean chart E) Both R-chart and Mean chart 9. A control chart that uses the proportion of defective items in a sample as the monitoring a process is known as A) p-chart B) c-chart C) R-chart D) Mean chart E) Both R-chart and Mean chart 10. To monitor the product attributes that are measureable, which control chi A) p-chart B) C-chart C) R-chart D) Mean chart E) Both R-chart and Mean chart