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# Hi I need step by step help with these problems Problem 1: In Model 3-1, suppose that instead of having a single source of parts, there are three

Hi I need step by step help with these problems

**Problem 1:**

In Model 3-1, suppose that instead of having a single source of parts, there are three sources of arrival, one for each of three dfferent kinds of parts that arrive: blue (as before), Green, and Red. For each color of arriving part, inter-arrival times are exponentially distributed with a mean of 16 minutes. Run the simulation for 480 minutes, and compute the same performance measures as for Model 3-1. Once the parts are in the system, they retain their correct color (for the animation) but are not differentiated for collection of statistics on time in queue, queue length, or utilization (that is, they're lumped together for purposes of processing and statistics collection on these output performance measures): however, collect statistics separately by part color for total time in system. Processing times at the drilling center are the same as in Model 3-1 and are the same regardless of the color of the part. Make just a single replication. Put a text box in your Arena file with the values for the output performance measures mentioned (average time in queue for all part types together, average queue length for all part types together, server utilization for all part types together, and three average time-in-system results, one for each part type separately).

**Problem 2:**

A compromise between complete specialization (Model 3-2) and complete generalization (Model 3-3) of work might be for Alfie and Betty to form a two-unit resource, each unit of which would check credit and prepare the covenant for a loan application. The application would then move on to a second two-unit resource (Chuck and Doris), each unit of which would price the loan and disburse the funds. This would require less investment in cross-training all four employees for all four tasks (each employee would have to do two tasks for each loan). Run this compromise model under the same conditions as for models 3-2 and 3-3 and compare (in a Text box in your model) the pertinent results with those from Models 3-2 and 3-3.