5. Each sweat shop worker at a computer factory can put together 4.1 computers per hour on average with a standard deviation of 0.7 computers. 48 workers are randomly selected to work the next shift at the factory. Round all answers to 4 decimal places where possible and assume a normal distribution. What is the distribution of X? X ~ N(?,?) What is the distribution of x¯? x¯ ~ N(?,?) What is the distribution of ∑x? ∑x ~ N(?,?) If one randomly selected worker is observed, find the probability that this worker will put together between 3.9 and 4 computers per hour? For the 48 workers, find

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

5. Each sweat shop worker at a computer factory can put together 4.1 computers per hour on average with a standard deviation of 0.7 computers. 48 workers are randomly selected to work the next shift at the factory. Round all answers to 4 decimal places where possible and assume a normal distribution.

  1. What is the distribution of X? X ~ N(?,?)
  2. What is the distribution of x¯? x¯ ~ N(?,?)
  3. What is the distribution of ∑x? ∑x ~ N(?,?)
  4. If one randomly selected worker is observed, find the probability that this worker will put together between 3.9 and 4 computers per hour?
  5. For the 48 workers, find the probability that their average number of computers put together per hour is between 3.9 and 4?
  6. Find the probability that a 48 person shift will put together between 192 and 196.8 computers per hour?
  7. For part e) and f), is the assumption of normal necessary? Yes or No
  8. A sticker that says "Great Dedication" will be given to the groups of 48 workers who have the top 20% productivity. What is the least total number of computers produced by a group that receives a sticker  ?           computers per hour (round to the nearest computer)
Expert Solution
steps

Step by step

Solved in 3 steps with 18 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman