Given the following activity network: Activity A1 takes 5 weeks, A2 takes 7 weeks, and A3 takes 3 weeks with a 50% probability and 9 weeks with a 50% probability. What is the expected project completion time? 00 O O O O means to detect and address defects when and where they occur and prevent them from recurring. O Just-in-time Built-in quality Process improvement O Stable environment Which of the following is the correct definition of a robust process? O A robust process is one that can tolerate variations in input and environmental variables with an increase in outcome variation. A robust process is one that cannot tolerate variations in input and environmental variables. A robust process is one that can tolerate variations in input and environmental variables without an increase in outcome variation. O A robust process is one that cannot tolerate variations in outcome variables