Question: The PERT E for the tasks on the critical path is 10 minutes, and the PERT SD for the critical path is 1.5 minutes. What

The PERT E for the tasks on the critical path is

The PERT E for the tasks on the critical path is 10 minutes, and the PERT SD for the critical path is 1.5 minutes. What is the 95% confidence interval of the duration of the critical path? 8.5 to 11.5 minutes 18.5 to 21.5 minutes 5.5 to 14.5 minutes not enough data provided 17 to 23 minutes 7 to 13 minutes

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