User Account

All Pages

Problems, Supply Chain Management

Assignment Help:
1- The smallest defect in a computer chip will render the entire chip worthless. Therefore, tight quality control measures must be established to monitor these chips. In the past, the percentage of defective for these chips has been 3%. The sample size is 100. Calculate the upper and lower control limits of a P-chart to monitor this process. Also determine whether the process is in control if a sample of 100 chips indicated 7 defectives.


2- Cool Technologies produces refrigeration units for food producers and retail food establishments. The overall average temperature that these units maintain is 49 ºF. The average range is 4 ºF. Samples of size 7 are taken to monitor the process. Calculate the control limits for X-bar and R charts. Also determine if the process is in control if the next sample taken results in 47, 48, 50, 52, 51, 57, and 56.


3- An electronic component has design specification limits of 215?25 mhz. Due to variation in the parts that goes into this component, the actual yield varies. A sample of 100 indicated a mean of 220 mhz and standard deviation of 7 mhz.

a- Find the Process Capability Index (Cpk) for this process. Is this process capable? Why?






b- Find the process capability if we adjust the process mean to 217 and reduce variability by 15%. Is this modified process capable? Why?












4- A random sample of 200 cars observed after paint jobs performed by robots indicated a total of 785 blemishes. Find the upper and lower control limits for a C-chart with alpha risk of 6% to monitor the number of blemishes per car. If a car has 10 blemishes, should any action be taken?



















5- - Sampling seven (n=7) pieces of precision-cut parts every hour for the past 14 hours has produced the following results.

Sample 1 2 3 4 5 6 7 8 9 10 11 12 13 14
X-bar 3.05 3.02 3.04 3.01 3.07 2.99 2.98 3.05 3.07 3.12 3.11 3.12 3.14 3.15
R 0.31 0.28 0.26 0.37 0.48 0.32 .23 0.37 0.32 0.56 0.71 0.79 0.88 0.92

a- Find the 3-sigma control limits for X-bar and R charts.










b- Draw the X-bar and R-charts and comment on the state of the process.

Related Discussions:- Problems

Reck and Long model, Ask question Select an organization in any market sect...

Ask question Select an organization in any market sector. Discuss, within the context of the organization, the growth and development of supply chain management over the years. Stu

Challenge question, what is the potential negative or downside to the long-...

what is the potential negative or downside to the long-term Starbucks-OHL collaboration? identify what you consider to be three major potential problems in such long term relations

Solution to a case study, I am looking for a solution to a case study : Sub...

I am looking for a solution to a case study : Subcontract Review and Consent by the Government. Main character is Lieutenant Ralph Sliden.

Limit state method, A series of reinforced concrete beams spaced at 5 m cen...

A series of reinforced concrete beams spaced at 5 m centres and spanning 7.5 m support a 175 mm thick reinforced concrete slab as shown in Figure 3. The imposed floor loading is 3

What are supply bills, Question 1 Corporate Banking represents the wide ra...

Question 1 Corporate Banking represents the wide range of banking and financial services provided to domestic and international operations of large local corporates and local oper

#title.project risk and procurement management., How do i evaluate the use ...

How do i evaluate the use of a complex models for this title?

DIFFERENCE BETWEEN SUPPLY CHAIN AND VALUE CHAIN, WHAT IS THE DIFFERENCE BET...

WHAT IS THE DIFFERENCE BETWEEN SUPPLY CHAIN AND VALUE CHAIN

Strategic cost management, 1. Prepare the j entries for traditional and bac...

1. Prepare the j entries for traditional and backflush costing. For backflush costing, assume there are 2 trigger points: 1). the purchase of raw materials and 2). the completion o

Global recessions, In 2008, the world economy experienced so-called global ...

In 2008, the world economy experienced so-called global recessions, sharp falls in income and rapid increases in unemployment. a. Briefly summarize the main causes for the globa

Assignment, I would like to know whether you can help me in MRP questions?

I would like to know whether you can help me in MRP questions?

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd