Question: If a task has been estimated at 0 = 4 days, P = 9 days, and M = 7, what is the standard deviation? A.

If a task has been estimated at 0 = 4 days, P = 9 days, and M = 7, what is the standard deviation?

A. 516 of a day.

B. 6.83 days.

C. 113 of a day.

D. 112 of a day.

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