Factory Dynamics (parts 1 & 2) and Variability Question (parts 3 & 4) (40 points

Question

Factory Dynamics (parts 1 & 2) and Variability Question (parts 3 & 4) (40 points): Consider a production line with two facilities in series. (A facility is the same as a station.) Every customer or job requires service first at facility 1 and then at facility 2. The mean and std. deviation of the effective service time at facility 1 is te1 = 5 minutes and se1 = 10 minutes. The corresponding service time mean and standard deviation at facility 2 is te2 =10 minutes and se2 = 4 minutes, respectively. Service facility 1 has one server and facility 2 has two identical (parallel) servers. The desired throughput rate of the line is nine customers (jobs) per hour. The customer arrival process has moderate variability corresponding to exponential interarrival times with coefficient of variation ca = 1.0. Answer the following questions. In case time is short, provide formulas and data values you would use for your computations / calculations [partial credit].

1. (8 points) Compute the line’s bottleneck rate rb, the raw process time T0, and the critical WIP W0.

2. (7 points) Compute the WIP level w at which the Practical Worst Case Throughput will equal 9 jobs per hour. [No need to round WIP level to an integer value.] 4

3. (10 points) Estimate the average number of customers at facility 1.

Explanation / Answer

The criteria to be used to select the test cities for the new product “Super Sonic Taco” are as follows –

Ideal generation (In this case men under 30)
Product development – information gathered from market research about target audience / consumer about their age, gender, location, social class, their like and dislikes. It will be also helpful for making decision about price ($ 1.19, in this case),packaging, display & distribution
Testing – market research can help gauge the consumer and suppliers reactions of the new product at kitchen development stage and when the product is near to completion.
Lunch- once the product is lunched, it is important to keep an eye on the product whether further changes are necessary.
The two important things are there that are-

The consumers – who is going to eat/drink this food products
The Place of selling – the place and the person who is selling this
The information about the consumer trend, attitudes, life styles and shopping behavior can be gathered from consumer market research. The vital parameters are –

Acute product attributes
Performance of product against competitors product
Preference on products name
Effectiveness of packing design
Acceptability of price
Preferred purchase point (where product sells best)
The key questions must be asked from the consumers are –

Who are the consumers
What the eating convenient food, organic/healthy food, premium products
Where & where they are eating – at workplace, while traveling, at home etc.
Why the consumers wants the product – for family meal, for entertaining etc.
How the product will effects the consumers life
The Following four cities can be recommended for the test lunch because the and highly populated urban areas with good number of population of male of under 30 years; which is the target group for this product, the per capital income is also good of these cities and they have the culture of fast food so the chances of acceptability are more in these cities.

Mexico city
Guadalajara
Monterrey
Puebla

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