Customers Arrive at the One Remaining Full-Service Gas Station in the Country

question 34

Multiple Choice

Customers arrive at the one remaining full-service gas station in the country at the rate of 45 per minute and are served by the first available of three pump jockeys who can dole out gas and check oil at the rate of 20 customers per minute. Both service and interarrival times are governed by the exponential distribution. The probability that no pump jockey is busy is 0.0748.
-Use the information in Scenario C.3.What is the utilization of the pump jockeys?

• A) Less than or equal to 60 percent
• B) Greater than 60 percent but less than or equal to 70 percent
• C) Greater than 70 percent but less than or equal to 80 percent
• D) Greater than 80 percent

---

Definitions:

Non-Experimental Design

A research format that lacks the manipulation of independent variables or random assignment of participants to groups.

Qualitative Research

Research that explores phenomena through non-numerical data, focusing on meanings, concepts, characteristics, and descriptions.

Results

The outcomes or data obtained from conducting a specific experiment, study, or research.

Qualitative Research

A method of inquiry employed in several different academic disciplines, traditionally in the social sciences, that seeks to understand human behavior and the reasons that govern such behavior.