Answer:
"125 callers" is the right answer.
Explanation:
Given values:
Arrival calls rate,
= 25 per minute
Talking time,
= 4 minutes
Hold time,
= 1 minute
The flow time will be:
=
=
Flow rate,
=
=
By using the Little's law,
⇒
By substituting the values, we get
Thus the above is the correct approach.