What is the solution to the model below?

Question options:

x = 2

x = 3

x = 7

x = 1

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

What is the angle measure, or angle of depression, between this bird and the bird watcher?

Based on the diagrams, what is the value of x?