A total of 300 observations of Bob Ramos, anassembly-line worker, were made over a 40-hour workweek. Thesample also showed that Bob was busy working (assembling theparts) during 250 observations.a) Find the percentage of time Bob was working. b) If you want a confidence level of 95%, and if {3% is an accept-able error, what size should the sample be? c) Was the sample size adequate?
A total of 300 observations of Bob Ramos, anassembly-line worker, were made over a 40-hour workweek. Thesample also showed that Bob was busy working (assembling theparts) during 250 observations.a) Find the percentage of time Bob was working. b) If you want a confidence level of 95%, and if {3% is an accept-able error, what size should the sample be? c) Was the sample size adequate?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
Related questions
Question
A total of 300 observations of Bob Ramos, an
assembly-line worker, were made over a 40-hour workweek. The
sample also showed that Bob was busy working (assembling the
parts) during 250 observations.
a) Find the percentage of time Bob was working.
b) If you want a confidence level of 95%, and if {3% is an accept-
able error, what size should the sample be?
c) Was the
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Recommended textbooks for you
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
Purchasing and Supply Chain Management
Operations Management
ISBN:
9781285869681
Author:
Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:
Cengage Learning
Production and Operations Analysis, Seventh Editi…
Operations Management
ISBN:
9781478623069
Author:
Steven Nahmias, Tava Lennon Olsen
Publisher:
Waveland Press, Inc.