You set up a makeshift greenhouse by leaning a piece of glass against a building. the glass makes a 30 degree angle with the ground. the place where the glass is resting on the building is 4.1 feet off the ground. how long is the piece of glass

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?