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

Net work analysis, Assume you are working as a Research Analysis and manage...

Assume you are working as a Research Analysis and management Consultant for reputed multinational Organization, who produces IRON WELDING ROTS. Now you have been asked to do the re

#title.sourcing and procurement., critically evaluate the relationship betw...

critically evaluate the relationship between the sourcing and procurement strategy with the corporate strategy

Discussion Questions, Based on your own research on the use of e-commerce/e...

Based on your own research on the use of e-commerce/e-procurement in the public and private sectors, what are those elements that you consider to be unique to each? How would yo

Inspection necessity, Inspection N ecessity:    In    case   of   pr...

Inspection N ecessity:    In    case   of   project    management,    planning    and    quality management are necessary processes. However, for quality maintenance and pro

Packaging fresh produce, Packaging Fresh Produce Packaging for fresh pr...

Packaging Fresh Produce Packaging for fresh produce varied by region, purpose, and personal preference. Ideally, packaging was low cost, low maintenance, strong enough to prote

Logistics strategy, geographic pattern

geographic pattern

Relation between SCM and Cruise International, explain to what extent SCM i...

explain to what extent SCM is applicable to a service operation such as Management at Cruise International, Inc.

Operational research problem, GroceryKart.com is responsible for supplying ...

GroceryKart.com is responsible for supplying fresh vegetables and produce to all mom-and-pop retail stores in Mumbai and adjoining suburbs. There are about 600 stores in their netw

Develop purchasing systems, Develop purchasing systems for standard and non...

Develop purchasing systems for standard and non-standard items Explain the organizational structure and possible organizational configurations Describe how the efficiency of

What is a full service agency?, Question 1 Discuss the Visualisation strat...

Question 1 Discuss the Visualisation strategy in advertising and the components of Visualisation strategy Question 2 Describe the elements of execution of advertising in brie

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