Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
7th Edition
ISBN: 9781337681643
Author: David R. Anderson; Dennis J. Sweeney; Thomas A. Williams
Publisher: Cengage Learning US
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Chapter 6.3, Problem 31E
Wendy's restaurant has been recognized for having the fastest average service time among fast food restaurants. In a benchmark study, Wendy's average service time of 2.2 minutes was less than those of Burger King, Chick-fil-A, Krystal, McDonald's, Taco Bell, and Taco John's (QSR Magazine website, December 2014). Assume that the service time for Wendy 's has an exponential distribution.
a.What is the
b. What is the probability that a service time is between 30 seconds and one minute?
c. Suppose a manager of a Wendy's is considering instituting a policy such that if the time it takes to serve you exceeds five minutes, your food is free. What is the probability that you will get your food for free? Comment.
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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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