Draw x-bar process control chart and calculate probability , Financial Accounting

Kevin Murtuagh, manager of an national reservation service for a nationwide chain of luxury hotels, is concerned about productivity of his operation.  Analysis of recent historical data shows the call center seems to be averaging about five minutes to process a regular reservation call with a per call standard deviation of forty seconds. 

  1. Suppose that every day Kevin randomly samples 25 calls for their length in minutes and computes the average.  Draw the x-bar process control chart with 3-sigma control limits.  On three consecutive days Kevin observes averages of 4.72, 5.20 and 5.03 minutes respectively.  Should he be concerned?  Explain.
  2. Senior management has determined that call processing time should between 4 minutes, 15 seconds and 4 minutes, 45 seconds.  What is the probability that the current performance meets this standard? 
  3. Given the information from senior management in part b, what is the current process capability?
  4. Given your answer to part c, what should Kevin Murtaugh do in order to ensure that the process is 6-sigma qualified?  Explain.

 

Posted Date: 2/16/2013 1:49:52 AM | Location : United States







Related Discussions:- Draw x-bar process control chart and calculate probability , Assignment Help, Ask Question on Draw x-bar process control chart and calculate probability , Get Answer, Expert's Help, Draw x-bar process control chart and calculate probability Discussions

Write discussion on Draw x-bar process control chart and calculate probability
Your posts are moderated
Related Questions
Tom Scott is the owner, president, and primary salesperson for Scott Manufacturing. Because of this, the company's profits are driven by the amount of work Tom does. If he works 40

Disclaimer The liquidator may disclaim onerous property consisting of: 1.    Land burdened with onerous covenants; 2.    Stocks and shares; 3.    Unprofitable contracts, or 4.

t account for equipment beg, bal 80,000 disposal 22,000 acquisition-41,000 end bal. 99,600 acct. depreciation equip. disposa; 8,500 beg, bal 41,500

A stock is about to pay a dividend of $2.00. The dividend is expected to grow at 15% for the next 7 years, 10% for the following 3 years, 8% for the next 2 years and then return to

speciman of accounts preparation in stock and debtor system.

A company presently pays a dividend of $2 per share, D0 = 2. It is estimated that the company's dividend will enhance at a rate of 17% percent per year for the next 2 years, then t

The following information is available for Mehring Corporation for the year ended December 31, 2012: Collection of principal on long-term loan to a supplier

Didde Co. had 300,000 shares of common stock issued and outstanding at December 31, 2010. No common stock was issued during 2011. On January 1, 2011, Didde issued 200,000 shares of

Qualified Opinion - AUDIT opinion which states, except for effect of a matter to which a qualification relates, FINANCIAL STATEMENTS are fairly presented in accordance with GENERAL

Interest Interest may be claimed-up to the date of the receiving order - if it is payable: By agreement; By statute; If the debt was created in writing and due at a