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

Assignment Help:

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.

 


Related Discussions:- Draw x-bar process control chart and calculate probability

Carriage inwards, difference between carriage inwards and carriage out ward...

difference between carriage inwards and carriage out wards

Calculate the weighted average cost of capital, Verizon Corporation has 55%...

Verizon Corporation has 55% equity and 45% debt (market values) in its capital structure. The pretax cost of debt is 7%, and that of equity 12%. The total value of the company is $

Finance, defination of finance accounting

defination of finance accounting

What would be the money multiplier, The SIMPLEX financial system is charact...

The SIMPLEX financial system is characterized by a required reserves ratio of 11 percent; initial excess reserves are $1 million, and there are no currency or other leakages. a.

.branch accounting., speciman of accounts preparation in stock and debtor...

speciman of accounts preparation in stock and debtor system.

Dissolution of a partnership, Dissolution of a partnership A partnership i...

Dissolution of a partnership A partnership is dissolved when: It is temporary (maybe set up for a given period which has lapsed); One partner notifies the others in writ

Calculate the amount that should be capitalised as property, The following ...

The following costs were incurred in 2010 in the design and construction of a new office building over a nine-month period during 2010: Requirement Calculate the amount

Average firm in the industry, Suppose that the average firm in your company...

Suppose that the average firm in your company's industry is expected to grow at a constant rate of 4% and that its dividend yield is 8%. Your company is about as risky as the avera

Property, Property, plant and equipment Normal 0 fals...

Property, plant and equipment Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Write Your Message!

Captcha
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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd