Question: I need help finding the Mean, Variance and Standard Deviation for a PERT Problem. I am looking at this problem: https://www.coursehero.com/u/file/p57cetk/5-days-Problem-2-30-points-For-the-following-data-for-critical-path-of-a/#related How did this person

I need help finding the Mean, Variance and Standard Deviation for a PERT Problem.

I am looking at this problem: https://www.coursehero.com/u/file/p57cetk/5-days-Problem-2-30-points-For-the-following-data-for-critical-path-of-a/#related

How did this person find the Mean, Variance, and Standard Deviation?

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