Compute Probabilities of a Poisson Random Variable

question 85

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 9 tickets per day. Find the probability that less than six tickets are written on a randomly selected day from this distribution.

• A) 0.115691
• B) 0.206781
• C) 0.884309
• D) 0.793219

---

Definitions:

Bladder Control

The ability to manage the timing of urination, which is a important aspect of toilet training and continence.

Left Brain Hemisphere

The part of the brain that is often associated with logical reasoning, analytical thinking, and language processing.

Logic

Logic is the study of proper reasoning, especially in regard to its structure, validity, and the systematic methods for deducing truth.

Oral Rehydration Therapy

A simple, cost-effective treatment used to prevent dehydration due to diarrhea, involving the oral ingestion of a solution of salts and sugars.