Mathematics

Mathematics, 27.08.2019 00:10, aleiahmartin

The local independent party wants to poll registered voters to see the proportion who would consider voting for an independent candidate. how many voters they need to survey to get a 97% confidence level that the true population proportion is within a 0.03 margin of error. how many people do they need to survey to achieve the desired margin of error?

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Mathematics, 27.06.2019 18:40, alex9473

Asmall town is electing a new town council member. they decide to poll three random samples of registered voters to get an idea of which of the three candidates is most likely to be elected. voters are asked to indicate the candidate they would vote for if the election were tomorrow. voters are also given the option of selecting "undecided". the results of the poll are recorded in the table below. sample #1 sample #2 sample #3 candidate #1 11 20 11 candidate #2 27 23 28 candidate #3 11 3 9 undecided 1 4 2 the town has 8,400 registered voters and expects 75% voter participation. based on the results of this poll, estimate the number of votes that candidate #2 will receive (to the nearest ten). include all calculations in your answer.

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Mathematics, 20.07.2019 05:30, neemy

Judging on the basis of experience, a politician claims that 57% of voters in a certain area have voted for an independent candidate in past elections. suppose you surveyed 25 randomly selected people in that area, and 18 of them reported having voted for an independent candidate. the null hypothesis is that the overall proportion of voters in the area that have voted for an independent candidate is 57%. what value of the test statistic should you report?

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History, 27.07.2019 01:30, justice808

Read this passage: as a registered republican, i'm happy with this system — it keeps registered democrats from voting in our primary to try to choose a weak candidate. at the same time, though, i like that independent voters are allowed to participate. this gives us a chance to encourage them to join the republican party. what system for selecting party nominees does the passage describe?

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Social Studies, 30.07.2019 09:30, susanasalleyp3enwe

Suppose that in your city 37% of the voters are registered as democrats, 29% as republicans, and 11% as members of other parties (liberal, right to life, green, voters not aligned with any official party are termed "independent." you are conducting a poll by calling registered voters at random. in your first three calls, what is the probability you talk to a.all republicans? b.no democrats? c.at least one independent?

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