Loose-leaf For Applied Statistics In Business And Economics
Loose-leaf For Applied Statistics In Business And Economics
5th Edition
ISBN: 9781259328527
Author: David Doane, Lori Seward Senior Instructor of Operations Management
Publisher: McGraw-Hill Education
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Chapter 1, Problem 20CE

Ergonomics is the science of making sure that human surroundings are adapted to human needs. How could statistics play a role in the following:

  1. a. Choosing the height of an office chair so that 95 percent of the employees (male and female) will feel it is the “right height” for their legs to reach the floor comfortably.
  2. b. Designing a drill press so its controls can be reached and its forces operated by an “average employee.”
  3. c. Defining a doorway width so that a “typical” wheelchair can pass through without coming closer than 6 inches from either side.
  4. d. Setting the width of a parking space to accommodate 95 percent of all vehicles at your local Walmart.
  5. e. Choosing a font size so that a highway sign can be read in daylight at 100 meters by 95 percent of all drivers.
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Homework Let X1, X2, Xn be a random sample from f(x;0) where f(x; 0) = (-), 0 < x < ∞,0 € R Using Basu's theorem, show that Y = min{X} and Z =Σ(XY) are indep. -
Homework Let X1, X2, Xn be a random sample from f(x; 0) where f(x; 0) = e−(2-0), 0 < x < ∞,0 € R Using Basu's theorem, show that Y = min{X} and Z =Σ(XY) are indep.
An Arts group holds a raffle.  Each raffle ticket costs $2 and the raffle consists of 2500 tickets.  The prize is a vacation worth $3,000.    a. Determine your expected value if you buy one ticket.     b. Determine your expected value if you buy five tickets.     How much will the Arts group gain or lose if they sell all the tickets?

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Loose-leaf For Applied Statistics In Business And Economics

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