anita shower is losing 20% of her hair each year. if she currently has 1546 hairs on her head, about how many hairs will she have left after 10 years?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

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?

What is the product? a-3/15a × 5/a-3