(a) Calculate the standard error of the sample proportion. (Round your answer to six decimal places.) X (b) Calculate a 95% confidence interval that estimates the proportion of U.S. families with children who always have the television on when they eat dinner as a family. (Round your ar to three decimal places.) to (c) Calculate a 90% confidence interval for this situation. (Round your answers to three decimal places.) to

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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In a poll, a randomly selected sample of n = 275 U.S. parents was asked how often the television was on when they ate dinner as a family. About 36% of the sample said "always."
(a) Calculate the standard error of the sample proportion. (Round your answer to six decimal places.)
X
USE SALT
(b) Calculate a 95% confidence interval that estimates the proportion of U.S. families with children who always have the television on when they eat dinner as a family. (Round your answe
to three decimal places.)
(c) Calculate a 90% confidence interval for this situation. (Round your answers to three decimal places.)
We are
to
Need Help?
(d) Write a sentence that interprets the confidence interval found in part (c). (Round your answers to three decimal places.)
to
Read It
% confident that the proportion of U.S. ---Select--- who have the television on while eating dinner is between
and
Transcribed Image Text:In a poll, a randomly selected sample of n = 275 U.S. parents was asked how often the television was on when they ate dinner as a family. About 36% of the sample said "always." (a) Calculate the standard error of the sample proportion. (Round your answer to six decimal places.) X USE SALT (b) Calculate a 95% confidence interval that estimates the proportion of U.S. families with children who always have the television on when they eat dinner as a family. (Round your answe to three decimal places.) (c) Calculate a 90% confidence interval for this situation. (Round your answers to three decimal places.) We are to Need Help? (d) Write a sentence that interprets the confidence interval found in part (c). (Round your answers to three decimal places.) to Read It % confident that the proportion of U.S. ---Select--- who have the television on while eating dinner is between and
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