Question: can you do b c d varience too The estimated times and immediate predecessors for the activities in a project at Howard Umrah's retinal scanning

can you do b c d varience too

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. Activity . B Time (weeks) a m b 7 10 11 5 12 17 Immediate Predecessor(s) Activity C D Time (weeks) a m b 7 10 11 5 10 11 Immediate Predecessor(s) A 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): Expected Time Variance Activity A

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