The activities that represent theproject's critical path are_______

b)What is the probability of being done in 54 days?

The variance of the critical path = ____ days (round your response to two decimal places).

c) where Z is the number of standard deviations the due date or target date lies from the mean or expected date and

p is the project standard deviation.

Compute Z. Z= ____

Coleman Rich Control Devices, Inc., produces custom-built relay devices for auto makers. The most recent project undertaken by Rich requires 14 different activities. Rich's managers would like to determine the total project completion time (in days) and those activities that lie along the critical path. The appropriate data are shown in the following table: Time (days) Time (days) b Activity a m a m b Immediate Predecessor(s) E, F A 4 7 7 4 6 B 3 5 7 9 G H 1 7 4 Immediate Predecessor(s) Activity . I A J A K B, C L D M D N 8 G 7 11 5 9 4 2 2 7 3 1 6 OWN NA 10 11 I 1 8 19 6 7 E F 2 3 7 2 3 10 J K L, M 3 6 8 9 a) The expected completion time of the project = = days (round your response to two decimal places)