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Find a 95 Percent Confidence Interval for the Difference Between

Question 130

Multiple Choice

Find a 95 percent confidence interval for the difference between the proportions of people who prefer cola versus root beer (RB) where Find a 95 percent confidence interval for the difference between the proportions of people who prefer cola versus root beer (RB) where <sub>cola</sub>= .21, <sub>RB</sub>= .12,n<sub>cola</sub> = 200,n<sub>RB</sub> = 150. A) (-0.018 0.198) B) (0.0255 0.1545) C) (0.073 0.107) D) (0.013 0.167) cola= .21, Find a 95 percent confidence interval for the difference between the proportions of people who prefer cola versus root beer (RB) where <sub>cola</sub>= .21, <sub>RB</sub>= .12,n<sub>cola</sub> = 200,n<sub>RB</sub> = 150. A) (-0.018 0.198) B) (0.0255 0.1545) C) (0.073 0.107) D) (0.013 0.167) RB= .12,ncola = 200,nRB = 150.


A) (-0.018 0.198)
B) (0.0255 0.1545)
C) (0.073 0.107)
D) (0.013 0.167)

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