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UmIt IT Re-Test In June 2017, 533 of 1005 randomly selected U.S. approved of President Barack Obama's job perform random sample of 1005 U.S. adults
UmIt IT Re-Test In June 2017, 533 of 1005 randomly selected U.S. approved of President Barack Obama's job perform random sample of 1005 U.S. adults showed that 472 approved of President Trump's job performance. Construct a 99% confidence interval for the difference between the proportions of U.S. adults who app performance over those 9 months. O (0.53 - 0.47) + 2.33 0.53(1-0.53 0.47(1-0.47) 1005 1005 0.53(1-0.53) 0.47(1-0.47) O (0.53 - 0.47) + 2.58 1005 1005 None of the above 053(1 0.53) 0.47(1 0.47)
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