Compute Probabilities of a Poisson Random Variable

question 66

Multiple Choice

Compute Probabilities of a Poisson Random Variable
-The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 5.2 tickets per day. Find the probability that exactly nine tickets are written on a randomly selected day from this distribution.

• A) 0.042261
• B) 0.001393
• C) 0.000945
• D) 0.000031

---

Definitions:

Marginal Costs

The expense associated with the production of an extra unit of output, emphasizing its impact on total production cost.

Installation Costs

The expenses associated with setting up or installing equipment, machinery, or systems.

Touch Screen Terminals

Interactive devices featuring a touchscreen interface, allowing users to input data or commands directly by touching the screen.

Stores

Places where goods are kept for sale or distribution.