Question: In a PERT problem our project has an expected completion time of 200 days and a standard deviation of 11 days. What is the probability

In a PERT problem our project has an expected completion time of 200 days and a standard deviation of 11 days. What is the probability of us finishing in 222 days or sooner?

95.8%

97.7%

98.3%

98.9%

99.2%

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