Question: An activity on a PERT network has these time estimates: optimistic = 3, most likely = 4, and pessimistic = 5. Its expected time is

An activity on a PERT network has these time estimates: optimistic = 3, most likely = 4, and pessimistic = 5. Its expected time is

a. 5

b. 4

c. 3.5

d. 4.5

e. 12

The Dulac Box plant produces 500 cypress packing boxes in two 10-hour shifts. Due to higher demand, they have decided to operate three 8-hour shifts instead. They are now able to produce 600 boxes per day. What has happened to production?

a. It has increased by 8.1%.

b. It has increased by 9.1%.

c. It has increased by 50 sets/shift.

d. It has increased by 37.5 sets/hr.

e. no change

Please please, I don't have enough time to help me

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