In a randomly selected sample of 400 registered voters in a community, 200 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. (Round your answer to two decimal places.)(b) Calculate the standard error of the sample proportion. (Round your answer to three decimal places.)(c) Find a 95% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.)_______ to _______(d) Find a 98% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.) _______ to _______ In a randomly selected sample of 400 registered voters in a community, 200 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. (Round your answer to two decimal places.)(b) Calculate the standard error of the sample proportion. (Round your answer to three decimal places.)(c) Find a 95% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.)to(d) Find a 98% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.)to

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Description: In a randomly selected sample of 400 registered voters in a community, 200 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. (Round your answer to two deci

Given that : Sample size (n) = 400 X = 200 Proportion = x / n By using proportion test we solve…

Answered: Find the sample proportion planning to…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 4E

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In a randomly selected sample of 400 registered voters in a community, 200 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. (Round your answer to two decimal places.)

(b) Calculate the standard error of the sample proportion. (Round your answer to three decimal places.)

(c) Find a 95% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.)
_______ to _______

(d) Find a 98% confidence interval for the proportion of the registered voter population who plan to vote for Candidate Y. (Round your answers to three decimal places.)
_______ to _______