A New Phone Answering System Installed by the Ohio Power

question 43

Multiple Choice

A new phone answering system installed by the Ohio Power Company is capable of handling five calls every 10 minutes. Prior to installing the new system, company analysts determined that the incoming calls to the system are Poisson distributed with a mean equal to two every 10 minutes. If this incoming call distribution is what the analysts think it is, what is the probability that in a 10-minute period more calls will arrive than the system can handle?

• A) 0.174
• B) 0.0812
• C) 0.0166
• D) 0.0233

---

Definitions:

Effective Communicator

An individual who is able to convey information or ideas clearly and efficiently, ensuring understanding and engagement.

Oral Medium

A method of communication in which information is transmitted through spoken words, as opposed to written texts or visual images.

In-Person Channel

A communication or distribution method that involves direct, face-to-face interaction.

Nonverbal Cues

Communication signals given through body language, facial expressions, gestures, and other physical behaviors.