Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
7th Edition
ISBN: 9781337298353
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: South-Western College Pub
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Chapter 6.1, Problem 5E

In October 2012, Apple introduced a much smaller variant of the Apple iPad, known as the iPad Mini. Weighing less than 11 ounces, it was about 50% lighter than the standard iPad. Battery tests for the iPad Mini showed a mean life of 10.25 hours (The Wall Street Journal, October 31, 2012). Assume that battery life of the iPad Mini is uniformly distributed between 8.5 and 12 hours.
  a. Give a mathematical expression for the probability density function of battery life.
  b. What is the probability that the battery life for an iPad Mini will be 10 hours or less?
  c. What is the probability that the battery life for an iPad Mini will be at least 11 hours?
  d. What is the probability that the battery life for an iPad Mini will be between 9.5 and 11.5 hours?
  e. In a shipment of 100 iPad Minis, how many should have a battery life of at least 9 hours?

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Chapter 6 Solutions

Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)

Ch. 6.1 - The random variable x is known to be uniformly...Ch. 6.1 - Delta Airlines quotes a flight time of 2 hours, 5...Ch. 6.1 - Prob. 4ECh. 6.1 - In October 2012, Apple introduced a much smaller...Ch. 6.2 - A random variable is normally distributed with a...Ch. 6.2 - Prob. 12ECh. 6.2 - Prob. 15ECh. 6.2 - Prob. 19ECh. 6.2 - The time needed to complete a final examination in...Ch. 6.2 - New York City is the most expensive city in the...
Ch. 6.3 - Prob. 29ECh. 6.3 - Wendy's restaurant has been recognized for having...Ch. 6 - Prob. 33SECh. 6 - The port of South Louisiana. located along 54...Ch. 6 - Prob. 45SECh. 6 - Specialty Toys Specialty Toys, Inc. sells a...Ch. 6 - Specialty Toys Specialty Toys, Inc. sells a...Ch. 6 - Specialty Toys Specialty Toys, Inc. sells a...Ch. 6 - Gebhardt Electronics Gebhardt Electronics produces...Ch. 6 - Gebhardt Electronics Gebhardt Electronics produces...Ch. 6 - Gebhardt Electronics Gebhardt Electronics produces...
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