You used an app to hire a repair worker to do a series of small repairs around your office. The workers charge $54 for the first hour, and $15.50 for each additional 15 minutes. If the worker charge you $162.50, how long did the repairs take? A three hours, 15 minutes be two hours, 25 minutes see two hours, 45 minutes D4 hours, 30 minutes

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?