Neesa wants to find an expression that is equal to One-twelfth times 4. Which expressions should she select? Check all that apply. Three-twelfths
Four-twelfths
4 times one-twelfth
Five-twelfths
12 times one-fourth

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?