In 1987, 34.7 million households owned a dog, and 27.7 million owned a cat. since then, dog ownership has decreased by 0.025 million households per year, and cat ownership has increased by 0.37 million households per year. how many years, y, will it take for them to be equal?

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?