You purchased 10.75 gallons of gasoline at a $3 .60 / gallon you also bought a cookie that was a dollar point 25 and windshield fluid wipers that were $4.97 the state has a food tax of 4% you gave the clerk $20 and the remaining amount owed was charged to your debit card how much has charged to your debit card

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?