Explain how many observations would be needed, Operation Management

Assignment Help:

To determine the standard working time for a special job, following observation data is collected: Observation 1 2 3 4 5 6 7 8 Time (in second) 17 18 15 14 13 15 16 13 a) If the person observed worked at a pace that is 80 percent of normal, and if the appropriate allowance for this task is 25 percent of job time, what should be the standard time? b) How many observations would be needed to be 95% confident that the maximum error in the observed time is 1 second? Assume that the standard deviation of the task time is 2 seconds. c) How many observations would be needed to be 99 % confident that the maximum error is 5% of the observed time? Assume that the standard deviation of the task time is 2 seconds.


Related Discussions:- Explain how many observations would be needed

Explain assembly of power steering pumps, A small assembly line for the ass...

A small assembly line for the assembly of power steering pumps needs to be balanced. Exhibit 8.11 in the text is the precedence diagram. The cycle time is determined to be 1.5 minu

Explain studying a sample from the population, What are the advantages of s...

What are the advantages of studying a sample from the population instead of the studying the entire population though a census?

What are disadvantages of delegated sourcing strategies, What are the disad...

What are the disadvantages of using delegated sourcing strategies? Disadvantages of using delegated sourcing: a. Can be a complicated relationship to manage an outsourcer

Explain what is the probability that you will make money, The owner of Fire...

The owner of Firewood-2-Go is considering buying a hydraulic wood splitter which sells for $50000. He figures it will cost an additional $80 per cord to purchase and split wood wit

Describe the several components of inventory holding cost, Question: (a...

Question: (a) (i) What are the assumptions to be respected while deriving the Economic Order Quantity formula. (ii) Describe the several components of inventory holding c

Explain contractual claims, Complete the following, placing it in a single ...

Complete the following, placing it in a single Word document- Having a clear understanding of the courts and where to file specific claims has provided your department with a go

Explain objective is to maximize expected profit, (Teddy Bower Boots) To en...

(Teddy Bower Boots) To ensure a full line of outdoor clothing and accessories, the marketing department at Teddy Bower insists that they also sell waterproof hunting boots. Unfortu

States gross national product, States Gross National Product (GNP) Gr...

States Gross National Product (GNP) Gross Domestic Product (GDP) adjusted for foreign earnings.

What is the number of orders per year if the manager uses, A flower shop us...

A flower shop uses 800 clay pots a month. The pots are purchased at $2 each. Annual carrying costs are estimated at $0.60 per pot per year and ordering costs are $20 per order. The

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