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

Discuss the main factors that affect transportation decision, Discuss the m...

Discuss the main factors that affect transportation decisions. Two main factors that affect transportation decisions- Carriers and Customers. Carriers - a)      Vehicle

Western Pharmaceuticals A B, what should the case fill rate be for each pro...

what should the case fill rate be for each product given the current uncertainty levels and order quantities and how does the calculated aggregate case fill rate fill rate differ f

Outbound shipments, analyse why i have a large number of orders

analyse why i have a large number of orders

Strategic International Business Management, Helo I wanted to make payment ...

Helo I wanted to make payment for my final assignment by 12 December 2018

Calculate long-run aggregate, 1. Explain whether each of the following even...

1. Explain whether each of the following events will increase, decrease, or have no effect on long-run aggregate supply. Canada experiences a wave of immigration. Provinci

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

Stepping stone method to obtain an optimal solution, A company has three fa...

A company has three factories A, B and C which supply units to warehouses X, Y and Z every month. The capacities of the factories are 60, 70 and 80 units at A, B and C

Lean operation, Catalytic converters are made in batches of 10 units and ar...

Catalytic converters are made in batches of 10 units and are moved in special hand carts to the fabrication cells. The catalytic converter cell is designed so that different types

Describe the several financial ratios, Problem 1: Describe  the need fo...

Problem 1: Describe  the need for safety stock - Demand fluctuation, delay in receipt of inventory, impact of slow delivery - Advantages of safety stock Problem 2: D

Logistics strategy, geographic pattern

geographic pattern

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