Data regarding the activities for a project are presented below. The times are in weeks. The critical path for this project is A - D - H - I - J - K. 
a.Determine the standard deviation of the critical path.
b.Determine the probability of completing the project in 38 weeks or less.
c.What is the probability of completing the project in 32 weeks or less?
Definitions:
λ
A symbol often used to represent the rate at which events occur in a Poisson process, typically events per unit time.
μ
A symbol commonly used in statistics and mathematics to represent the mean or average of a set of numbers.
Finite Population
A population set that contains a limited number of observations or elements.
Average Service Time
The mean time it takes to serve a customer or complete a process, a critical metric in evaluating the performance of a service system.
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