Concept explainers
To predict: The number of families which own at least one cell phone.
Answer to Problem 7MCQ
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Explanation of Solution
Given information :
In a survey,
Total number of families in the town=
Formula used :
Predicted number of people in population giving the response=
Calculation :
As per the problem,
Number of families out of
Total number of families in the town=
Find the percent of families which own at least one cell phone
Now, find the total number of families owning at least one cell phone
Hence,
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Chapter 11 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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