1.

For an activity, optimistic time duration is 4 days, pessimistic time duration is 11 days and mostlikely time duration is 8 days. The PERT value of time duration is______ days (up to one decimal place).

A. 7.8 to 7.9
B. 8.8 to 7.9
C. 7.7 to 8.9
D. 8.5 to 9.0
Answer» B. 8.8 to 7.9


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