You Have Just Used the Network Planning Model for a County

You have just used the network planning model for a county road resurfacing project and found the critical path length is 40 days and the standard deviation of the critical path is 10 days. Suppose you want to pick a time (in days) within which you will complete the project with 90% confidence level. What should be that time (in days and round to the nearest whole number) ?

A) 40
B) 13
C) 37
D) 29
E) 53

Correct Answer:

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