Use the Data Given Below to Answer the Following Questions)

Use the data given below to answer the following questions) .
On an average, the number of students that choose to study Arts subjects at Greyin Tide University is 17 each year. Hint: Use Poisson distribution formula) .
-The exponential distribution:

A) has the density function f x) = e-λx , for x ≥ 0.
B) models the time between randomly occurring events.
C) has an expected value λ.
D) is described by the familiar bell-shaped curve.