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QUESTION 1 9 Given the network shown and the following information, what is the mean and variance of the critical path? Activity Slack Expected time

QUESTION 19
Given the network shown and the following information, what is the mean and variance of the critical path?
Activity Slack Expected time Variance
mean =39; variance =16
mean =24; variance =9
mean =18; variance =18
mean =15; variance =7
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