Concept explainers
To solve: an absolute value equation to find the least and the greatest percent’s of voters likely to vote for the incumbent.
Answer to Problem 68PPE
The least and greatest number of voter’s likes to vote for the incumbent is:
Explanation of Solution
Given information:
The number of voter's
The poll shows a margin of error of ±3 percentage points.
Calculation:
Considering the above information:
The number of voter's
The poll shows a margin of error of ±3 percentage points.
Therefore,
Least percent of voters will be
Greatest percent of voters will be
The absolute value equation will be,
Substitute the value of
Substitute the value of
Now, substitute the value of
Hence, the least and greatest number of voter’s likes to vote for the incumbent is:
Chapter 3 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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