Danielle washes cars for money.
She can wash 12 cars in 3 hours
She earns 18.00 for each car
She is saving up for a computer that cost 720.00
how many hours does Danielle need to work to get her computer

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?