Multiple Choice
Activity 7-8 is directly preceded by two activities-activity 5-7 and activity 6-7. Activity 5-7 has an expected time of five and an ES time of six. Activity 6-7 has an expected time of seven and an ES time of seven. Activity 7-8 has an expected time of 10. The ES for activity 7-8 is
A) 11.
B) 14.
C) 21.
D) 24.
E) 25.
Correct Answer:

Verified
Correct Answer:
Verified
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