Question: Please answer both Question 21 (1 point) An ctivity on a PERT network has the following time estimates: optimistic =4, most likely =16, and pessimistic

Please answer both

Question 21 (1 point) An ctivity on a PERT network has the following time estimates: optimistic =4, most likely =16, and pessimistic =25. Its variance is (please round off to two decimal digits) Your Answer: Your Answer Question 22 (1 point) An activity on a PERT network has the following time estimates: optimistic =8, most likely =20, and pessimistic =27. Its standard deviation is (please round off to two decimal digits) Your Answer: Your

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