class wants to develop a new smart classroom using Program Evaluation and Review Technique (PERT). The objective is to be the first to design and market the most innovative smart classroom so as to capture the first mover advantage in the US education market. Dr. Cummings brilliant students have determined the following activities precedence relationships and time estimates in days for the project Activity Immediate Optimistic Time Most Likely Predecessors Pessimistis Time none 6 7 b 1 2 3 a 5 5 5 d b 7 9 b 2 8 cd 10 Tims 12 Page 1 1 2 3 Question 2 (3 points) Saved what is the expected duration of the critical path? 4 6 7 8 a) greater than 25 but less than or equal to 30 days 9 b) greater than 20 but less than or equal to 25 days 10 c) greater than 30 days d) less than or equal to 20 days 3 Question 3 (3 points) Saved 4 5 6 What is the standard deviation of the critical path? 7 8 9 al greater than 1.0 but less than or equal to 20 days 10 Ob) greater than 2.0 but less than or equal to 3.0 days c) greater than 3.0 days d) less than or equal to 10 days Question 4 (3 points)