The Average Waiting Time for Patients Arriving at the Newtown

question 145

Multiple Choice

The average waiting time for patients arriving at the Newtown Health Clinic between 1 P.M. and 4 P.M. on a weekday is an exponentially distributed random variable x with expected value of 30 minutes. What is the probability that a patient arriving at the clinic between 1 P.M. and 4 P.M. will have to wait between 27 and 32 minutes?
Round your answer to two decimal places.

• A) 0.31
• B) 0.16
• C) 0.17
• D) 0.06

---

Definitions:

Basic Research

Pure science that aims to increase the scientific knowledge base.

Applied Research

Research aimed at finding a solution for a real-world problem rather than acquiring knowledge for knowledge's sake.

Knowledge Base

A structured repository of information, often used in AI and customer support, that enables the retrieval of knowledge.

Clinical Research

The branch of healthcare science that determines the safety and effectiveness of medications, devices, diagnostic products, and treatment regimens intended for human use.