Construction Planning and Management

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

  • A. 3.5 and 5/6
  • B. 5 and 25/36
  • C. 3.5 and 25/36
  • D. 4 and 5/6
Answer: Option C.
Explanation: 

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