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

Define the terms inventory and inventory control, Problem 1: (a) Define...

Problem 1: (a) Define the terms ‘ inventory' and ‘inventory control'. (b) State the classification of supplies for inventory purposes in your organisation. (c) List the a

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 can consider to be three major potential problems in such long-term relat

What is "order fulfillment" and "Order to payment" ?, What is "order fulfil...

What is "order fulfillment" and "Order to payment" difference in manufacturing industry?

What is supply chain management, What is Supply Chain Management? Analyse t...

What is Supply Chain Management? Analyse the key issues of Supply Chain Management Supply Chain Management - meaning - Key issues in supply chain management a. Configuratio

Evaluate teleconferencing, The business section of the International Herald...

The business section of the International Herald Tribune carried a story with the headline "Hark! The Herald Angels Sing of Teleconference," (Peter H. Lewis, New York Times Service

Concept of supply chain management, what a re concept of supply chain manag...

what a re concept of supply chain management

Write a note on assessment tool, Question 1 It is necessary for Supply Cha...

Question 1 It is necessary for Supply Chain managers to identify the obstacles to co-ordination in the Supply Chain so that they can take suitable actions that help achieve co-ord

Transportation manager, How would a transportation manager monitor the qual...

How would a transportation manager monitor the quality of service provided by the carriers used?

GREAT DIVIDE, can you explain the concept of the great divide in supply cha...

can you explain the concept of the great divide in supply chain management

Strategies of expanding the fast food chain in a new market, Question: ...

Question: You are the owner of the American-based "Chick-n-fila" fast food chain. You believe that customers in other countries would also like your food and you therefore deci

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