sat suite question viewer
Problem-Solving and Data Analysis
Difficulty: Medium
| Plan to vote for Candidate A | Plan to vote for Candidate B | |
|---|---|---|
| Female | 202 | 20 |
| Male | 34 | 144 |
A random sample of 400 town voters were asked if they plan to vote for Candidate A or Candidate B for mayor. The results were sorted by gender and are shown in the table below.
The town has a total of 6,000 voters. Based on the table, what is the best estimate of the number of voters who plan to vote for Candidate A?
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Explanation
The correct answer is 3,540. According to the table, of 400 voters randomly sampled, the total number of men and women who plan to vote for Candidate A is 
. The best estimate of the total number of voters in the town who plan to vote for Candidate A is the fraction of voters in the sample who plan to vote for Candidate A, 
, multiplied by the total voter population of 6000. Therefore, the answer is 
.