1. An architectural firm is to sublet a contract for a wiring project. Seven electrical contractors are available for the job. We want to determine the average cost of the job and the average time required to complete the job for these seven contractors.
2. A computer system has a number of remote terminals attached to it. To decide whether or not to increase this number, it is necessary to study the random variable X, the length of time expended per session by users of the terminals currently in place.