Assuming the sigma of 200 was actually the standard, Ask an Expert

Management Studies

A sample of 100 widgets from the Acme production line shows that the average lifespan of these parts is 900 hours. The standard deviation of production has been 200 hours historically and is known to be normally distributed.

a) Give a point estimate of lifespan of all production.
b) Form an interval estimate for the students using a 99% confidence interval
c) Interpret the results you obtained in problem }p
d) Assuming the sigma of 200 was actually the standard deviation for the sample, refind out the interval estimate. Discuss how this changed your result from that in part b.

View complete question

Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M994115

Have any Question?Write your Review or question?

Related Questions in Operation Management

Assignment managerial finance 1 calculating cost of equity

Assignment : Managerial Finance 1. Calculating Cost of Equity: The Dybvig Corporation's common stock has a beta of 1.21. If the risk- free rate is 3.5 percent and the expected return on the market is 11 percent, what is ...

Strategic management ndash stop and shop recommendations

Strategic Management – Stop and Shop / Recommendations on how to improve this Organization Make recommendation on how to improve the organization Stop and Shop based on the following questions. What is the background on ...

1 make several recommendations for pick n pay in order to

1. Make several recommendations for pick n pay in order to emulate starbucks best strategies 2. What are starbucks best strategies 3. In thinking about an organization with which you are familiar, can you give examples o ...

Al long ford sells katrina age 16 a ford escape under a

Al Long Ford sells Katrina, age 16, a Ford Escape under a contract that states Katrina will pay Ford $800 per month for the next 36 months. The contract has a clause explaining that if Katrina decides to return the car t ...

1 usage segmentation in health care has been applicable in

1. Usage segmentation in health care has been applicable in situations in which: A. physicians use their skills in many different geographic locations. B. the efficacy of a pharmaceutical drug can be used in alternative ...

Questiona company produces to a seasonal demand with the

Question: A company produces to a seasonal demand, with the forecast for the next 12 months as given below. Month Demand January 600 February 700 March 800 April 700 May 600 June 500 July 600 August 700 September 800 Oct ...

You are the supply manager for a us electronics

You are the Supply Manager for a US electronics manufacturer. The normal delivery quantity for part #654 is 10,000 units each working day; operating in a JIT mode. Your production schedule is for 20 days/month; 240 worki ...

Argue for or againsta in a buy-back contract it never makes

Argue for or against (a) In a buy-back contract, it never makes sense for the supplier to charge a wholesale price W that is lower than its marginal cost C. (b) In a revenue-sharing contract, it never makes sense for the ...

1 give examples of cases about adaptive and generative

1. Give examples of cases about Adaptive and Generative Techniques in the application of family products in industry. Explain the advantages and disadvantages of the two concepts. 2. Survey and explain the technologies u ...

Tom long and mark short ask their attorney susan north esq

Tom Long and Mark Short ask their attorney, Susan North, Esq., whether Title VII of the Civil Rights Act applies to The Long and the Short of It ("L&S”). L&S has four stores with a total of 62 employees. Growth has been ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Operation Management Expert