Engineering Board Exam Reviewer · Engineering Management · hard

A project has an expected completion time of 48 days and a standard deviation of 2 days along the critical path. What is the probability of finishing within 52 days?

  1. 50.00%
  2. 97.72%
  3. 84.13%
  4. 2.28%

Answer

B. 97.72%

Solution

z = (T - Te)/ = (52 - 48)/2 = 2.0. P(z ≤ 2) 97.72%.

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