Using a 95% confidence interval and an error margin of +/- 3% determine the sample size that would generate the results of the following presidential approval ratings. (1) Barack Obama 63% approval rating at day 131 of presidency 2009 population: 232,637,362 (2) Donald Trump 40% approval rating at day 131 of presidency 2017 population: 251,489,792 (3) Joe Biden 54% approval rating at day 118 of presidency 2021 population: 258,213,334
Using a 95% confidence interval and an error margin of +/- 3% determine the sample size that would generate the results of the following presidential approval ratings. (1) Barack Obama 63% approval rating at day 131 of presidency 2009 population: 232,637,362 (2) Donald Trump 40% approval rating at day 131 of presidency 2017 population: 251,489,792 (3) Joe Biden 54% approval rating at day 118 of presidency 2021 population: 258,213,334
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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Using a 95% confidence interval and an error margin of +/- 3% determine the
(1) Barack Obama
63% approval rating at day 131 of presidency
2009 population: 232,637,362
(2) Donald Trump
40% approval rating at day 131 of presidency
2017 population: 251,489,792
(3) Joe Biden
54% approval rating at day 118 of presidency
2021 population: 258,213,334
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