$28$

Complete move

Careful planning was needed because AET operates in the highly competitive petroleum industry. AET is one of five national

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software companies that provide an accounting and business management package for oil jobbers and gasoline distributors. A $q,$ few years ago, AET jumped into the "application service provider" world. Their large data center provides clients with remote access to AET's complete suite of application software systems. Traditionally one of AET's primary competitive advantages has been the company's trademark IT reliability. Due to the complexity of this project, the Executive Committee insisted that preliminary analysis of the anticipated completion date be conducted.

Brian compiled the following information, in preparation for some PERT analysis:

Based on these estimates and the resultant expected project duration of $69$ days, the Executive Committee wants to know the probability of completing the project before a scheduled time $(T_S)$ of $68$ days.

The significance of this project has the Executive Committee very concerned. The committee has decided that more analysis of the duration of each activity is needed. Prior to conducting that effort, they asked Brian to calculate what the expected project duration would have to be to ensure a $93$ percent chance of completion within $68$ days.