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Find the sample proportion planning to vote for candidate

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Reference no: EM131729478

Question: In a randomly selected sample of 400 registered voters in a community, 220 individuals say that they plan to vote for Candidate Y in the upcoming election.

a. Find the sample proportion planning to vote for Candidate Y.

b. Calculate the standard error of the sample proportion.

c. Find a 95% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y.

d. Find a 98% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y.

Reference no: EM131729478

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