The University Police Department Must Write, on Average, Five Tickets

question 2

Multiple Choice

The university police department must write, on average, five tickets per day to keep department revenues atbudgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 5tickets per day. Find the probability that exactly eight tickets are written on a randomly selected day from thisdistribution.

• A) 0.065278
• B) 0.005476
• C) 0.003250
• D) 0.000273

---

Definitions:

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, showing the strength and direction of a relationship.

Reliability

The consistency and stability of test scores or measurements over time or across different occasions.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.

Correlation Coefficients

Statistical measures that quantify the degree to which two variables are related or move together.