a)Jobs arrive randomly at a particular assembly plant; assume that the given arrival rates in the table below has a Poissondistribution and service times (in minutes per job) do not follow the exponential probability distribution. Four proposeddesigns for the plant's assembly operation are shown:0722DABOАВDESIGN ADESIGN BDESIGN CDESIGN D(C)d) CService time (in minutes per job)Standard deviationArrival rate (jobs per hour) Mean8565756243Compute the average time in the assembly plant for each design and decide which design provides the best performance?2

To compute the average time in the assembly plant for each design, we need to consider both the…

Answered: a) b) Jobs arrive randomly at a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Chapter 6, Section 2-D, Exercise 078 Is a t-Distribution Appropriate?A sample with size n=75 has x¯=18.92, and s=10.1. The dotplot for this sample is given below. Indicate whether or not it is appropriate to use the t-distribution. If it is appropriate, give the degrees of freedom for the t-distribution and give the estimated standard error. If it is not appropriate, enter -1 in both of the answer fields below.Enter the exact answer for the degrees of freedom and round your answer for the standard error to two decimal places.d⁢f= standard error =
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The consulting firm of Winston & Associates has been retained by an electronic component assembly company in Phoenix to design and program a computer simulation model of its operations. Winston & Associates plan to construct the model using ProModel software (see Promodel.com). This software allows the developer to program into the model probability distributions for things like machine downtime, defect rates, daily demand, and so forth. The closer the distributions specified in the computer model match those that actually occur in the assembly plant, the better the simulation model will perform. For one machine center, Winston consultants have assumed that when the center goes down for repairs, the time that it will be down will be normally distributed with an average of 30 minutes and a standard deviation equal to 10 minutes. Before finalizing the model, the consultants will collect a random sample of downtimes and test whether their downtime assumptions are valid. The…
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