A given project's expected duration along its critical path is 22.5 days. Management eventually wants to know

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Question:

A given project's expected duration along its critical path is 22.5 days. Management eventually wants to know the probability that the project will finish on or before 28 days. The project's statndard deviation along its critical path 2.03. The approximate computed z value is:

a. 4.66

b. 1.00

c. 0.76

d. 2.71