Ethan is hiking down into the canyon. He starts at the rim and hikes down 65 feet in 3 1/4 minutes. If he continues at this rate, where will Ethan be in relation to the rim after 20 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?