The Owner/operator of the Local Franchise of Handyman, Inc If He Uses the Shortest Processing Time First Priority Rule

question 87

Multiple Choice

The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received: $$\begin{array} { c c c } \text { Job } & \begin{array} { c } \text { Processing Time } \\\text { (hrs) }\end{array} & \begin{array} { c } \text { Due } \\\text { (hrs from now) }\end{array} \\\text { W } & 4 & 4 \\\text { X } & 3 & 5 \\\text { Y } & 2 & 2 \\\text { Z } & 1 & 1\end{array}$$
If he uses the shortest processing time first priority rule to schedule these jobs, what will be the average completion time?

• A) 7.5 hours
• B) 5 hours
• C) 3 hours
• D) 2.5 hours
• E) 2 hours

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Definitions:

Complement

In probability, it refers to the event not occurring, or the subset of outcomes that are not part of the event of interest.

Complement

In probability theory, the event consisting of all outcomes not in a given event, typically leading to a sum of probabilities equal to one.

Probability

The quantification of an event's likelihood to occur, represented as a number from 0 to 1.

Mutually Exclusive Events

Two events that cannot occur at the same time within the same experiment or observation.