Question: A projects critical path is CDFGI. The expected time and the standard deviation of each activity are as follows. Activity A B C D E

A projects critical path is CDFGI. The expected time and the standard deviation of each activity are as follows.

Activity A B C D E F G H I
Expected Time 2 5 8 6 4 9 10 1 5
Standard Deviation 10 4 7 14 10 10 11 5 6

What is the project standard deviation?

keep two decimals if not exact, either round up or down is ok. For example, for 0.1346, (0.13 or .13) and (0.14 or .14) are correct.

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