Bundle: Statistics for Business & Economics, Loose-leaf Version, 13th + MindTap Business Statistics with XLSTAT, 2 terms (12 months) Printed Access Card
13th Edition
ISBN: 9781337127264
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Chapter 1, Problem 5SE
Refer to the data set in Table 1.7.
- a. What is the average price for the cordless telephones?
- b. What is the average talk time for the cordless telephones?
- c. What percentage of the cordless telephones have a voice quality of excellent?
- d. What percentage of the cordless telephones have a handset on the base?
TABLE 1.7 DATA FOR EIGHT CORDLESS TELEPHONES
| Brand | Model | Price ($) | Overall Score |
Voice Quality | Handset on Base |
Talk Time (Hours) |
| AT&T | CL84100 | 60 | 73 | Excellent | Yes | 7 |
| AT&T | TL92271 | 80 | 70 | Very Good | No | 7 |
| Panasonic | 4773B | 100 | 78 | Very Good | Yes | 13 |
| Panasonic | 6592T | 70 | 72 | Very Good | No | 13 |
| Uniden | D2997 | 45 | 70 | Very Good | No | 10 |
| Uniden | D1788 | 80 | 73 | Very Good | Yes | 7 |
| Vtech | DS6521 | 60 | 72 | Excellent | No | 7 |
| Vtech | CS6649 | 50 | 72 | Very Good | Yes | 7 |
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CENGAGE MINDTAP
Quiz: Chapter 38
Assignment: Quiz: Chapter 38
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Customers experiencing technical difficulty with their Internet cable service may call an 800 number for technical support. It takes the technician between 30 seconds and 11 minutes to resolve the problem. The distribution of this support time follows the uniform distribution.
Required:
a. What are the values for a and b in minutes?
Note: Do not round your intermediate calculations. Round your answers to 1 decimal place.
b-1. What is the mean time to resolve the problem?
b-2. What is the standard deviation of the time?
c. What percent of the problems take more than 5 minutes to resolve?
d. Suppose we wish to find the middle 50% of the problem-solving times. What are the end points of these two times?
Chapter 1 Solutions
Bundle: Statistics for Business & Economics, Loose-leaf Version, 13th + MindTap Business Statistics with XLSTAT, 2 terms (12 months) Printed Access Card
Ch. 1 - Discuss the differences between statistics as...Ch. 1 - Tablet PC Comparison provides a wide variety of...Ch. 1 - Refer to Table 1.6. a. What is the average cost...Ch. 1 - Table 1.7 shows data for eight cordless telephones...Ch. 1 - Refer to the data set in Table 1.7. a. What is the...Ch. 1 - J.D. Power and Associates surveys new automobile...Ch. 1 - The Kroger Company is one of the largest grocery...Ch. 1 - The Tennessean, an online newspaper located in...Ch. 1 - The Commerce Department reported receiving the...Ch. 1 - The Bureau of Transportation Statistics Omnibus...
Ch. 1 - In a Gallup telephone survey conducted on April...Ch. 1 - The Hawaii Visitors Bureau collects data on...Ch. 1 - Figure 1.7 provides a bar chart showing the annual...Ch. 1 - The following data show the number of rental cars...Ch. 1 - Every year, the U.S. Coast Guard collects data and...Ch. 1 - A manager of a large corporation recommends a...Ch. 1 - A random telephone survey of 1021 adults (aged 18...Ch. 1 - A Bloomberg Businessweek North American subscriber...Ch. 1 - A survey of 131 investment managers in Barrons Big...Ch. 1 - A seven-year medical research study reported that...Ch. 1 - A survey conducted by Better Homes and Gardens...Ch. 1 - Pew Research Center is a nonpartisan polling...Ch. 1 - A sample of midterm grades for five students...Ch. 1 - Table 1.8 shows a data set containing information...
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