Calculate the normal time for the job, Operation Management

Assignment Help:

A work  sampling  study  is to  be made of a typist  pool. It is  left that  typists are idle  30 % of the  time. How many observations  should  be made  in order  to  have 395.5%  confidence so that  so that  the accuracy  within +    4%.

Solution

Number  of observation required for  work  sampling study=

             N = c2 pq / E2

 Where c  =  constant  depending  on confidence level

 P =  percentage of iding q  percentage of activity  E = absolute error

 C= 2  for  95.5%  confidence level  p = 0.3 , q = 1- p = 0.7, E = 4 % = 0.04

  N =  4X 0.3X 0.7 / 0.04 2= 0.84 /0.0016= 525


Related Discussions:- Calculate the normal time for the job

Explain maintain its strong brand images, impressive portfolio includes som...

impressive portfolio includes some of the strongest brand names in the world. Additionally, P&G must study its consumers, use long-term perspectives, employ product innovation and

Account receivable of $4, Slighty Used Goods has Cash of $2,150 inventory o...

Slighty Used Goods has Cash of $2,150 inventory of $28,470, fixed assets of $9,860, accounts payable of $11,900, and account receivable of $4,660. What is the cash ratio?

Explain a method that enable you to overcome the difficulty, Document three...

Document three types of cost and determine which is the most difficult to control. Support your response and identify a method(s) that would enable you to overcome the difficulty.

Explain an approach to a business diversity program, Answer the following q...

Answer the following questions based on your readings. 1. Describe an approach to a business diversity program that would be pragmatic and ethical. 2. What are three possible

Explain the consequences of having organizational members, These are TWO di...

These are TWO different short answer discussion questions please answer EACH question in the discussion and list references many motivational theories focus on the motivational qua

Explain tie-in promotions with retailers like fast food, Some IMC campaigns...

Some IMC campaigns that seemed obvious to me as a consumer include Apple and Microsoft product launches where they do a lot of push strategies, e.g. getting product to retailers, s

500, find the optimal location for kilroy"s distribution center in this exp...

find the optimal location for kilroy"s distribution center in this expanded version of the problem

Describe customer service level for an inventory system, Discuss customer s...

Discuss customer service level for an inventory system within the context of quality management

After working for 30 years, After working for 30 years, Ramjee Somjee Dutt ...

After working for 30 years, Ramjee Somjee Dutt opted for VRS and started a courier company and did

What is the difference among personal and business ethics, What is the diff...

What is the difference between personal and business ethics?

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