The Average Age of Doctors in a Certain Hospital Is

question 38

Multiple Choice

The average age of doctors in a certain hospital is 45.0 years old. Suppose the distribution of ages is normal and has a standard deviation of 8.0 years. If 9 doctors are
Chosen at random for a committee, find the probability that the average age of those
Doctors is less than 46.9 years. Assume that the variable is normally distributed.

• A) 25.8%
• B) 59.8%
• C) 24.2%
• D) 75.8%

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Definitions:

Active Listening

A communication technique that involves giving full attention to the speaker, understanding their message, and responding thoughtfully.

Communication Effectiveness

The degree to which communicated information is understood and achieves its intended effect.

Sender

The person or entity that initiates a message or communication.

Receiver

An individual or entity that is the target or recipient of a message, communication, or signal.