Concept explainers
(a)
To find: the number of coffee filter buyers which is made of recycled papers.
(a)
Answer to Problem 19E
Table describes 133 people and out of 133, 36 were buyers of coffee filters made of recycle paper.
Explanation of Solution
Given:
Calculation:
The number of buyers and non-buyers are
The number of buyers is
Table describes total 133 people. Out of 133, 36 were buyers of coffee filters made of recycle paper.
Conclusion:
Therefore,table describes total 133 people. Out of 133, 36 were buyers of coffee filters made of recycle paper.
(b)
To give: the marginal distribution and the percent of consumers thinking the quality of the recycled product is the same or higher than the quality of other filters.
(b)
Answer to Problem 19E
Over 60.90% of the individuals think the quality of the recycled product is the same or higher than the quality of other filters.
Explanation of Solution
Formula Used:
Marginal Distribution Percentage:
Calculation:
The marginal distribution of opinion about the quality of recycled filters in shown in table below:
Marginal Distribution Percentage:
Table Total=133
Marginal Distribution Table | |||||
Opinion | Buyers | Non Buyers | Row Total | Percent | |
Higher | 20 | 29 | 49 | 36.8% | |
The same | 7 | 25 | 32 | 24.1% | |
Lower | 9 | 43 | 52 | 39.1% | |
Total | 36 | 97 | 133 |
Over 60.90% (36.8% + 24.1%) of those who responded think the quality of the recycled product is the same or higher than the quality of other filters.
Conclusion:
Therefore, 60.90% of the individuals think the quality of the recycled product is the same or higher than the quality of other filters.
Chapter 1 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Elementary Statistics: Picturing the World (6th Edition)
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Intro Stats
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Introductory Statistics
Intro Stats, Books a la Carte Edition (5th Edition)
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