Abird leaves its nest and travels 18 miles per hour downwind for x
hours. on the return trip, the bird travels 3 miles per hour slower and has 5 miles left after x hours.
a. what was the distance of the entire trip
b. how long did the entire trip take

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?