Question poll-r
| Angel Cruz | |
|---|---|
| Terry Smith |
The table shows the results of a poll. A total of voters selected at random were asked which candidate they would vote for in the upcoming election. According to the poll, if people vote in the election, by how many votes would Angel Cruz be expected to win?
Poll Results Angel Cruz 483 Terry Smith 320 The table shows the results of a poll.
Hard-difficulty · SAT Math · Inference from Samples & Margin of Error — Population parameter estimation. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice B is correct. It's given that out of voters responded that they would vote for Angel Cruz. Therefore, the proportion of voters from the poll who responded they would vote for Angel Cruz is . It’s also given that there are a total of voters in the election. Therefore, the total number of people who would be expected to vote for Angel Cruz is , or . Since of the total voters would be expected to vote for Angel Cruz, it follows that , or voters would be expected not to vote for Angel Cruz. The difference in the number of votes for and against Angel Cruz is , or votes. Therefore, if people vote in the election, Angel Cruz would be expected to win by votes.
Choice A is incorrect. This is the difference in the number of voters from the poll who responded that they would vote for and against Angel Cruz.
Choice C is incorrect. This is the total number of people who would be expected to vote for Angel Cruz.
Choice D is incorrect. This is the difference between the total number of people who vote in the election and the number of voters from the poll.
More Inference from Samples & Margin of Error practice questions
- A certain forest is 253 acres. To estimate the number of trees in the
- In a study, the data from a random sample of a population had a
- Based on a random sample from a population, a researcher estimated that the mean
- A company that produces socks wants to estimate the percent of the socks produced
- Sample Percent in favor Margin of error A 52% 4.2% B 48% 1.6% The
- Views on Nuclear Energy Use Response Frequency Strongly favor 56 Somewhat favor 214
- To determine the mean number of children per household in a community, Tabitha surveyed
- At a large high school, 300 students were selected at random and were asked
Browse all Problem-Solving and Data Analysis practice questions or return to the full SAT question bank.
