$\begin{array}{|l|l|}\hline Nurrber~ of~ servers:&5\\\hline Service~ rate:&2~ per~ hour ~(exponential ~service~ times)\\\hline \end{array}$

question 11

Multiple Choice

$\begin{array}{l}\begin{array}{|l|l|}\hline \text { Priority }&\text { Average Arrival Rate (exponential interarrival times) }\\\hline \text { High } & 3 \text { per hour } \\\hline \text { Low } & 5 \text { per hour } \\\hline\end{array}\end{array}$
$\begin{array}{|l|l|}\hline Nurrber~ of~ servers:&5\\\hline Service~ rate:&2~ per~ hour ~(exponential ~service~ times) \\\hline \end{array}$
What is the average time in the system (in minutes) for a low priority item?

• A) 2
• B) 5
• C) 24
• D) 35
• E) 54

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Definitions:

Pons

Portion of the brainstem between the medulla and midbrain.

Rhythmicity

The regular or cyclic pattern of occurrences, such as the heartbeat or breathing rates, within an organism.

Pontine Respiratory Group

A collection of neurons in the pons part of the brainstem that plays a critical role in controlling the rate and pattern of breathing.

Pre-Bötzinger Complex

A cluster of neurons in the brainstem involved in generating the respiratory rhythm, playing a critical role in breathing regulation.