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

question 39

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 number of high priority items waiting in line for service?

• A) 0
• B) 0.24
• C) 1.74
• D) 1.98
• E) 2.22

---

Definitions:

Systematic Desensitization

A therapeutic technique used to reduce anxiety by gradually exposing the patient to the feared object or situation.

Aversive Conditioning

A method of behavioral training in which an unwanted behavior is associated with discomfort in order to discourage that behavior.

Transference

The process in psychotherapy where patients project feelings and attitudes from a past relationship onto the therapist.

Counterconditioning

A behavior therapy technique involving the conditioning of an undesirable behavior or response to a stimulus into a desired behavior by association of positive actions with the stimulus.