Question: THREE ZERO PLEASE SHOW ALL YOUR WORK AND EXPLAIN YOUR ANSWERS. PLEASE SHOW WORK FOR EACH AND EVERY ACTIVITY The estimated times and immediate predecessors

THREE ZERO

PLEASE SHOW ALL YOUR WORK AND EXPLAIN YOUR ANSWERS. PLEASE SHOW WORK FOR EACH AND EVERY ACTIVITY

THREE ZERO PLEASE SHOW ALL YOUR WORK AND EXPLAIN

The estimated times and immediate predecessors for the activities in a project at Howard Umrah's retinal scanning company are given in the following table. Assume that the activity times are independent. Time (weeks) Time (weeks) b Immediate Predecessor(s) a m a b Activity A Activity C Immediate Predecessor(s) A 7 7 10 10 12 12 16 12 14 B 5 D 6 8 B This exercise contains only parts a, b, c, d, and e. a) Based on the activity time estimates, the expected times and variance for each of the activities are (round your response to two decimal places)

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