Use the Data Given Below to Answer the Following Question(s)

question 17

Essay

Use the data given below to answer the following question(s).
Customers arrive at an airline ticket counter at the rate of three customers per minute and can be served at the rate of 4 customers per minute.
-Show the steps required to calculate the average number of customers in the queue.

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Definitions:

Sleep

A natural state of rest for the mind and body, during which consciousness is altered and muscle activity is inhibited.

Meta-

A prefix indicating change, transformation, or a higher level of abstraction in various scientific and philosophical fields.

Scanty

Insufficient in amount, quantity, or extent; meager or limited.

Double

Consisting of two equal, identical, or similar parts or things; increased or twice as much in size, quantity, or extent.