1. For a project, the expected project completion time and its variance have been estimated as
Te = 90 days, and Ve = 19.44. Compute the following:
(a) the probability that the project can be completed in 88 days:
Z = -.45 so the probability is
(b) the probability that the project can be completed in 92 days:
Z = .45 so the probability is
(c) the probability of completing the project between 88 and 92 days inclusive:
(d) how far ahead the project should be started for a 0.995 probability of completing by the deadline.
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