Astudent solved this problem and said the answer was 4 miles. dave is walking to the store 2 miles from his house. dave has already walked 1 miles. how much farther does dave have to walk? is the student's answer reasonable? a. yes, the answer is reasonable. b. no, the answer is not reasonable. it should be about mile. c. no, the answer is not reasonable. it should be a bit less than 2 miles. d. no, the answer is not reasonable. it should be a bit more than 5 miles.

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?