A PERT Project Has 45 Activities,19 of Which Are on the Critical

question 77

Multiple Choice

A PERT project has 45 activities,19 of which are on the critical path.The estimated time for the critical path is 120 days.The sum of all activity variances is 64,while the sum of variances along the critical path is 36.What is the probability that the project can be completed between days 108 and 120?

• A)-2.00
• B)0.0227
• C)0.1058
• D)0.4773
• E)0.9773

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Definitions:

Labor-Saving Appliances

Devices designed to reduce the amount of manual labor needed to perform household tasks, increasing efficiency and saving time.

Supply of Labor

Refers to the total hours that workers are willing and able to work at a given wage rate in a specific period.

Labor Force

The total number of people, including both the employed and unemployed, who are actively seeking and available to work.

Women

Female human beings, distinguished biologically by reproductive functions that can include giving birth.