Let the Time Between Two Consecutive Arrivals at a Grocery

question 23

Multiple Choice

Let the time between two consecutive arrivals at a grocery store checkout line be exponentially distributed with a mean of three minutes. Find the probability that the next arrival does not occur until at least four minutes have passed since the last arrival.

• A) 0.0000
• B) 0.2636
• C) 0.4724
• D) 0.7364

---

Definitions:

Relevant

Closely connected or appropriate to the matter at hand.

Multiple Points of View

The consideration or presentation of various perspectives or opinions on a subject.

International Journal of Ecology

A scientific publication focusing on the study of relationships between living organisms and their environment, emphasizing ecological research and discoveries.

Nuclear Waste

Radioactive materials remaining after they have been used in power generation, medical, or other scientific processes, requiring managed disposal to protect living beings and the environment.