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13.On June 17, 2018, 405 people out of 900 approved of President Trump. About a half year later Uanuary 26, 2019), 420 people out of 1200 approved of President Trump. a. Test whether President Trumps approval rating has decreased over this time period. Include all 5-steps and interpret results. Test at α=0.10. Calculate a 90% confidence for the difference in proportions and interpret. b.
math   Statistics-And-Probability   
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rn 1 τ 900, 21-fos →h-.gos. 0.45 90D 1200 ヲV2と1-0-35. 045 as ヲ 0 . 02.1 55. 200 that the prenaust Trumps tune elad oual Latia 0.0645 ) 0°(359.

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